light

英[laɪt]美[laɪt]

n.光，发光体，点火物，眼光，亮色，窗；

v.照亮，点燃，用光指引；

adj.天色亮的，光线充足的，浅色的，轻便的，轻的，轻柔的，轻松的，少量的，愉快的，不严肃的，清淡的，松软的，低度酒的，易醒的；

复数：lights;

第三人称单数：lights;

过去式：lit; lighted;

过去分词：lit; lighted;

现在分词：lighting;

例句

the unsteady light of a candle闪烁不定的烛光

The taxi driver was obviously in the wrong in going ahead against the red light.这个出租车司机闯红灯显然是不对的。

Her little secret was soon brought to light.她那的小秘密不久就被发现了。

It is difficult to shine a light through its this thick mist.光线很难穿透这么浓的雾。

He made light of his injury.他不在乎自己受的伤。

The distance can be expressed in light-years.距离可以用光年表示。

In the light of these changes, we must revise our plan.鉴于这些变化, 我们必须重新修订我们的计划。

Finally he caught sight of the young man's light overcoat in the distance.他总算在远处看见了那个年轻人穿的浅色外套。

Behind us a light silvery laugh rang out.在我们背后传来一阵轻松爽朗的笑声。

a powerful light with reflector有反射镜的强光

英语六级真题

Interest in elite high school math competitions has grown in recent years, and in light of last summer's U.S. win at the International Math Olympiad ( ' , IMO)—the first for an American team in more than two decades— the trend is likely to continue.

It sheds new light on how unhealthy behaviors trigger mental health problems.

When you hear people speaking of making a rapid transition toward any type of energy, whether it is a switch from coal to nuclear power, or a switch from gasoline-powered cars to electric cars, or even a switch from an incandescent to a fluorescent light, understanding energy system inertia and momentum can help you decide whether their plans are feasible.

Today, a visit to a lighting store reveals a stunning array of choices.

To change the light source is costly because you have to change the whole fixture.

There are some very commendable characteristics of the CFL [compact fluorescent ( ' , 荧光的 ) light bulb], yet the selection of any light source remains inseparable from the luminaire ( ' , 照明装置 ) that houses it, along with the space in which both arc installed, and lighting requirements that need to be satisfied.

The study's most striking findings shed light on the racial biases permeating the professional world.

The problem with lighting, if it arises, often doesn't lie in light sources but in their applications.

The incandescent light bulb, invented by Thomas Edison, which came to be the symbol of inspiration, has been developed into hundreds, if not thousands, of forms.

It is quite easy, with all that choice, to change a light bulb.

It is easy to change a light bulb, sure, but it is harder to change the bulb and its fixture.

If the CFL should be used for lighting a particular space, or an object within that space, the fixture must be designed to work with that lamp, and that fixture with the room.

Changing a light bulb is easier than changing the fixture housing it.

But the momentum of incandescent lighting does not stop there.

As lighting expert Howard Brandston points out, Generally, there are no bad light sources, only bad applications.

And there is more to the story, because not only are the devices that house incandescent bulbs shaped to their underlying characteristics, but rooms and entire buildings have been designed in accordance with how incandescent lighting reflects off walls and windows.

And Brandston knows a thing or two about lighting, being the man who illuminated the Statue of Liberty.

All of those specialized bulbs led to the building of specialized light fixtures, from the desk lamp you study by, to the ugly but beloved hand-painted Chinese lamp you inherited from your grandmother, to the ceiling fixture in your closet, to the light in your oven or refrigerator, and to the light that the dentist points at you.

When it came to light last year that mothers, far more than fathers,chose to stay home from work to care for their sick kids.

We think this is the way the future is going to work," said Kyle Dickson, co-director of research and the mobile learning initiative at Abilene Christian University in Texas, which has bought more than 600 iPhones and 300 iPods for students Although plenty of students take their laptops to class, they don't take them everywhere and would prefer something lighter

Studying goal-setting can throw more light on successful business practices.

Just before people began entering the hall, Larry dimmed the lights and turned up the sound system, which was playing soft music, hoping to create a warm personal atmosphere for the speech.

Why did Larry dim the lights and turn up the sound system before people entered the hall

If you tell an acquaintance you are a grandfather who recently lost his wife and who does volunteer work on weekends, several elements of your self-image are bought to light — the roles of grandparent, widower and conscientious citizen.

When you reach your top height, do light activities rather than sleep too much.

Well, first of all, he kept the two dolphins together in the same tank and taught them to press levers whenever they saw a light.

If the light flashed on and off several times, the dolphins were supposed to press the left-hand lever followed by the right-hand one

If the light was kept steady, the dolphins were supposed to press the levers in reverse order.

The levers and light were set up in exactly the same way except that this time it was only Doris who could see the light indicating which lever to press first.

This meant of course that Doris had to tell Bass whether it was a flashing light or whether it was a steady light.

What were the dolphins supposed to do when they saw a steady light

Only one dolphin was able to see the light.

It's still light in the midnight.

Oh, yes, go down this aisle, pass the garden tools, you'll find them on the shelf next to the light bulbs.

People tend to work longer hours with artificial lighting.

Well, you know, spending too much time indoors with all that artificial lighting can do that to you

A nice video published online last month sheds light on expertise and the conscious mind.

All of those specialized bulbs led to the building of specialized light fixtures, from the desk lamp you study by, to the ugly but beloved hand-painted Chinese lamp you inherited from your grandmother, to the ceiling fixture in your closet, to the light i

As lighting expert Howard Brandston points out, " Generally, there are no bad light sources, only bad applications. "

Because they're so small and light, it costs much less to get a Cube Sat into Earth's orbit than a traditional communications or GPS satellite.

Demography also includes the study of non-living objects like light bulbs and taxi cabs, and buildings because these are also populations.

In other words, rewards are more intense for teens when they are with peers, which motivates them to pursue higher-risk experiences that might bring a big payoff such as the thrill of just making the light before it turns re.

The strike comes in light of an unsuccessful 19 months of negotiations after the existing labor contract known as the Interactive Media Agreement expired in late 2014.

The whole fixture must be replaced — light source and luminaire — and this is never an inexpensive proposition.

There are some very commendable characteristics of the CFL (compact fluorescent light bulb), yet the selection of any light source remains inseparable from the luminaire that houses it, along with the space in which both arc installed, and lighting requir

They scanned the brains of teens and adults who were playing a virtual driving game designed to test whether players would brake at a yellow light or speed on through the crossroad.

When you hear people speaking of making a rapid transition toward any type of energy, whether it is a switch from coal to nuclear power, or a switch from gasoline -powered cars to electric cars, or even a switch from an incandescent to a fluorescent light

柯林斯高阶英汉双解学习词典释义

N-UNCOUNT

光；光线；光亮

Light is the brightness that lets you see things. Light comes from sources such as the sun, moon, lamps, and fire.

例句

N-COUNT

发光体；光源；（电）灯

A light is something such as an electric lamp which produces light.

例句

N-PLURAL

交通信号灯；红绿灯

You can use lights to refer to a set of traffic lights.

例句

VERB

照亮；照耀

If a place or object is lit by something, it has light shining on it.

例句

ADJ-GRADED

（清晨或黄昏）天色亮的

If it is light, the sun is providing light at the beginning or end of the day.

例句

ADJ-GRADED

（自然）光线充足的

If a room or building is light, it has a lot of natural light in it, for example because it has large windows.

例句

V-ERG

点燃；点着

If you light something such as a cigarette or fire, or if it lights, it starts burning.

例句

N-SING

（火柴、打火机等）点火物

If someone asks you for a light, they want a match or cigarette lighter so they can start smoking.

例句

N-COUNT

角度；（事物呈现的）状态

If something is presented in a particular light, it is presented so that you think about it in a particular way or so that it appears to be of a particular nature.

例句

N-SING

影响

You can refer to the type of influence that something has on situations, people, or things as the light of that situation, person, or thing.

例句

N-PLURAL

眼光；（个人的）观点，标准

You say that something is done or is acceptable according to someone's lights when you mean that it is done or is acceptable according to their own ideas and standards.

例句

N-SING

眼神；目光

If there is a light in someone's eyes, there is an expression in their eyes that shows you the mood they are in or what they are thinking about.

例句

PHRASE

显露；揭露；为人所知

If something comes to light or is brought to light, it becomes obvious or is made known to a lot of people.

例句

PHRASE

开始明白

If light dawns on you, you begin to understand something after a period of not being able to understand it.

例句

PHRASE

黎明；破晓

First light is the time in the early morning when light first appears and before the sun rises.

例句

PHRASE

准许；许可

If someone in authority gives you a green light, they give you permission to do something.

例句

PREP-PHRASE

鉴于；由于；根据

If something is possible in the light of particular information, it is only possible because you have this information.

例句

PHRASE

很快入睡；立即失去知觉

If someone goes out like a light, they fall asleep or become unconscious very quickly or immediately.

例句

PHRASE

重见天日

If you say that an object sees the light of day or sees the light, you mean that it is taken out of the place where it is stored.

例句

PHRASE

问世；为公众所知

If something sees the light of day at a particular time, it comes into existence or is made known to the public at that time.

例句

PHRASE

明白过来；领悟

If someone sees the light, they finally realize something or change their attitude or way of behaving to a better one.

例句

PHRASE

点燃；点着

If you set light to something, you make it start burning.

例句

PHRASE

使（某事）显得非常清楚；使人了解（某事）

To shed light on ,throw light on, or cast light on something means to make it easier to understand, because more information is known about it.

例句

PHRASE

隧道尽头的曙光；黑暗尽头的希望

When you talk about the light at the end of the tunnel, you are referring to the end of the difficult or unpleasant situation that you are in at the moment.

例句

英汉词典释义

n.

光, 光线, 光亮

光源, 电灯, 发光体，(如烛火、灯、信标灯或太阳)

火焰, 火花, 点火物

（具有某种颜色和特性的）光

火柴；打火机

眼神

（图画中和暗色对比的）亮色，浅色

窗；窗户；光线进口；采光孔

白天，白昼；日光；黎明

【**】灵光

交通信号灯

(绘画中的)明亮部分，投光部分

[俚语](舞台的)脚光

vt. & vi.

点火, 生火, 点燃

(使)容光焕发

(使)发光；(使)发亮；照亮 (常与 up 连用)

vt.

照亮, 照明

开始燃烧；燃起来

照亮；使明亮

用光指引

adj.

光线充足的, 明亮的

淡色的；浅色的；发白的；白皙的

轻的, 不重的

轻柔的; 轻巧的

易消化的, 清淡的

（与重量单位连用）分量不足的

容易做的；轻松的；不使人疲劳的

少量的；程度低的

不严厉的；轻的

娱乐性的；消遣性的；轻松的

无忧无虑的；愉快的；快活的

（一餐饭）少量的

含有许多空气的；松软的

酒精含量低的；低度酒的

睡得不沉的；易醒的

(咖啡)含大量牛奶或奶油的

adv.

淡

英英词典释义

Noun

1. (physics) electromagnetic radiation that can produce a visual sensation;

2. any device serving as a source of illumination;

3. a particular perspective or aspect of a situation;

4. the quality of being luminous; emitting or reflecting light;

5. an illuminated area;

6. a condition of spiritual awareness; divine illumination;

7. the visual effect of illumination on objects or scenes as created in pictures;

8. a person regarded very fondly;

9. mental understanding as an enlightening experience;

10. having abundant light or illumination;

11. public awareness;

12. brightness and animation of countenance;

13. a visual warning signal;

14. a device for lighting or igniting fuel or charges or fires;

Verb

1. make lighter or brighter;

2. begin to smoke;

3. to come to rest, settle;

4. cause to start burning; subject to fire or great heat;

5. fall to somebody by assignment or lot;

6. get off (a horse)

Adjective

1. of comparatively little physical weight or density;

2. (used of color) having a relatively small amount of coloring agent;

3. of the military or industry; using (or being) relatively small or light arms or equipment;

4. not great in degree or quantity or number;

5. psychologically light; especially free from sadness or troubles;

6. characterized by or emitting light;

7. used of vowels or syllables; pronounced with little or no stress;

8. easily assimilated in the alimentary canal; not rich or heavily seasoned;

9. (used of soil) loose and large-grained in consistency;

10. (of sound or color) free from anything that dulls or dims;

11. moving easily and quickly; nimble;

12. demanding little effort; not burdensome;

13. of little intensity or power or force;

14. (physics, chemistry) not having atomic weight greater than average;

15. weak and likely to lose consciousness;

16. very thin and insubstantial;

17. marked by temperance in indulgence;

18. less than the correct or legal or full amount often deliberately so;

19. having little importance;

20. intended primarily as entertainment; not serious or profound;

21. silly or trivial;

22. having a spongy or flaky texture; well-leavened;

23. designed for ease of movement or to carry little weight;

24. having relatively few calories;

25. (of sleep) easily disturbed;

26. casual and unrestrained in sexual behavior;

Adverb

1. with few burdens;

行业词典

体育： 浅色毛；计时灯光；

医学： 光，光线：每秒钟3×1010cm的电磁辐射，在空间的振动与传播方向成直角。通常认为波长介于3900°～7700°埃(＝10－8厘米)间的范围可产生主观感觉的刺激，但有时也考虑包括紫外线和红外线的部分；

土木工程： 轻集料，light-weight aggregate；

机械： 光切法，light-section method 使与被测物体表面成一定角度的平面光束投射到被测物体上，以测定物体表面微观形状、粗糙度等的方法。；光切显微镜， light-section microscope 利用光切法测量零件表面粗糙度的仪器。其表面粗糙度测量范围为1～100μm。；

水产： 光诱围网，purse seine 用灯光诱集捕捞对象后进行包围作业的围网；

物理学： 聚光本领，light-gathering power；轻气炮，light-gas gun；光锥［流］代数，light-cone ［current］ algebra；光敏阴极，light-sensitive cathode；

电工： 光；

航海科技： 号灯；

金融： 股市交易清淡；