beam
beam
英[biːm]美[biːm]
n.光线，波束，梁，平衡木，笑容；
v.笑容满面，发送，照射；
复数：beams;
第三人称单数：beams;
过去式：beamed;
过去分词：beamed;
现在分词：beaming;
例句
The load on this beam is more than it will bear.横梁上的负荷比它能承受的要大得多。
The sun’s gravitation was bending the beam of light.太阳的引力使光束弯曲。
I could see the beam of his flashlight waving around in the dark.我可以看到他的手电筒光在黑暗中上下舞动。
This beam bears the whole weight of the upper floor.这根大梁承受了上面那一层的全部重量。
As a rule of thumb , the minimum device feature is about 4 times the beam diameter.一般来说, *小器件图形大约是电子束直径的4倍.
A beam of light produced a laser can weld metals.激光器发生的光束可以焊接金属.属类:[综合句库]-[-].
A beam of light produced by a laser can weld metals.激光器发生的光束可以焊接金属.
Reflection of a beam of light on the diaphragm falls on a phototransistor.经膜片反射的光束照射到光敏管上.
The beam of light occults every so often.光束有时变得很暗.
A continuous, invisible light beam is emitted from the OPTIMA Sensor.OPTIMA感应器持续发射出一束不可见光.
同义词
vi.
beam的同义词之：发光,微笑
smileshineglown.
beam的同义词之：梁;桁
shafttimberbarbeam的同义词之：其他释义
smiletimbershineradiategringlowwoodblinkshaftbargleam同义词解析
以下这些动词均包含 "笑" 的意思
laugh：*常用词，指因喜悦、愉快或轻视而出声的笑或大笑。
smile：指面露微笑，侧重于无声。
giggle：指发出咯咯的笑声，较多地用于女人或孩子。
grin：指露齿而笑。
beam：书面用词，指人因心情舒畅而发出的笑，即喜形于色地笑。
sneer：指冷笑、嘲笑。
词组
a beam in one's eye
a fault that is greater in oneself than in the person one is finding fault with（与他人相比）自身特别重大的缺点off (或 way off) beam
(informal)on the wrong track; mistaken(非正式)不对，错on her (或 its) beam-ends
(of a ship) heeled over on its side; almost capsized（船）倾侧的；几乎翻船的on one's beam-ends
near the end of one's resources; desperate黔驴技穷的；绝望的put the low beams on
(N. Amer.)dip the headlights of one's car(北美)把车前灯的远光调为近光on the beam
Following a radio beam. Used of aircraft.跟随无线电波。用于指飞机On the right track; operating correctly.正确：在正确轨道上；行为端正的英语四级真题
He was trapped under a beam about 10 feet below the surface for nearly an hour and a half.
2018年12月四级真题（第二套）听力 Section A柯林斯高阶英汉双解学习词典释义
VERB
眉开眼笑；笑容满面
If you say that someone is beaming, you mean that they have a big smile on their face because they are happy, pleased, or proud about something.
例句
Frances beamed at her friend with undisguised admiration...弗朗西丝开心地对自己的朋友笑着，毫不掩饰她的羡慕之情。'Welcome back,' she beamed.“欢迎回来，”她满面笑容地说。N-COUNT
（能量、放射线或粒子的）束，柱
A beam is a line of energy, radiation, or particles sent in a particular direction.
例句
...high-energy laser beams.高能激光束...a beam of neutrons.一束中子V-ERG
（通过电子设备）发送，发射
If something beams radio signals or television pictures or they are beamed somewhere, they are sent there by means of electronic equipment.
例句
The interview was beamed live across America...这次访谈向全美国现场直播。The live satellite broadcast was beamed into homes across America.此次卫星直播被发送到美国的千家万户。N-COUNT
（光）束；（光）线
A beam of light is a line of light that shines from an object such as a lamp.
VERB
照耀；照射
If something such as the sun or a lamp beams down, it sends light to a place and shines on it.
例句
A sharp white spotlight beamed down on a small stage...聚光灯的强烈白光照在小舞台上。All you see of the outside world is the sunlight beaming through the cracks in the roof.而外面的世界，你所能看见的就只是透过房顶缝隙射进来的阳光。N-COUNT
梁；横梁
A beam is a long thick bar of wood, metal, or concrete, especially one used to support the roof of a building.
例句
The ceilings are supported by oak beams.房顶用橡木横梁支撑。N-SING
（体操中的）平衡木
In gymnastics, the beam is a piece of equipment that consists of a narrow wooden bar on which gymnasts balance and perform movements.
英汉词典释义
n.
梁, 横梁
束, 柱
1 光线；（电波的）波束；（粒子的）束 2 平衡木 3 笑容；眉开眼笑
vi.
发出光与热
面露喜色
Her face beamed with joy.她面露喜色。vt.
播送
vt. & vi.
1 笑容满面；眉开眼笑 2 发射电波；播送 3 放出束状的光（或热）
英英词典释义
Noun
1. a signal transmitted along a narrow path; guides pilots in darkness or bad weather
2. long thick piece of wood or metal or concrete, etc., used in construction
3. a column of light (as from a beacon)
4. a group of nearly parallel lines of electromagnetic radiation
5. (nautical) breadth amidships
6. a gymnastic apparatus used by women gymnasts
Verb
1. smile radiantly; express joy through one's facial expression
2. emit light; be bright, as of the sun or a light;
"The sun shone bright that day""The fire beamed on their faces"3. express with a beaming face or smile;
"he beamed his approval"4. broadcast over the airwaves, as in radio or television;
"We cannot air this X-rated song"5. especially of the complexion: show a strong bright color, such as red or pink;
"Her face glowed when she came out of the sauna"6. experience a feeling of well-being or happiness, as from good health or an intense emotion;
"She was beaming with joy""Her face radiated with happiness"行业词典
体育： 肋骨；船宽度；导航；深测；平衡木；
公路科技： 梁；又称 :梁(girder)；
力学： 梁；
医学： 束，柱：电磁辐射或粒子的单向或接近单向的发射；梁，架(牙)：义齿或正牙器上的细长结构，用以支持及承受侧压力，其曲度随荷重而改变，如牙连接杆或正牙弓；
土木工程： 梁；
建筑： 袱；梁；
机械： 横梁,绕平衡支点刀刃运动的杠杆或梁体 ；
水产： 桁杆, 拖网和张网的网口上部，用以支撑网口横向宽度的杆状部件。；
水利： 梁, 由支座支承的主要承受弯矩和剪力的构件。；
物理学： 光束［飞点］扫描, ［flying-spot］ scanning；束助脱附, beam-assisted desorption；束箔光谱学, beam-foil spectroscopy；
船舶： 横梁, 设置在甲板板或平台板之下各肋位上的横向骨材。；
通信： 射束, 能量集中的单向电磁波辐射、离子流或激光束。；
