leaf
leaf
英[liːf]美[liːf]
n.叶子，页，叶状的结构，金属薄片；
复数：leaves;
例句
He has been in jail several times, but recently he seems to have turned over a new leaf.他坐过几次牢, 但近来似乎已改过自新。
He promised to turn over a new leaf and study harder.他保证重新开始, 更加努力地学习。
leaf nodule叶瘤
an obtuse leaf.钝形圆头的叶子尖
a metamorphosed leaf变态叶
You casually pick up a tabloid and leaf through it while you're waiting.等侯的时候，随意拿起一册小报翻看
Cut the stem cleanly, just beneath a leaf joint.把茎切整齐点，正好切在叶根下。
The fall of one leaf is enough to tell coming of autumn.一叶知秋。
Life is a leaf of paper white, thereon each of us may write his word or two.生活是一张白纸，每个人都在上面写上自己的一两句话。出自：英语名言
Life is a leaf of paper white, thereon each of us may write his word or two生活是一张白纸，每个人都在上面写上自己的一两句话。出自：英语名言
英语六级真题
At the time, coca leaf extract mixed with wine was a common tonic (滋补品), and Pemberton's sweet brew was a way to get around local laws prohibiting the sale of alcohol.
2017年12月六级真题（第一套）阅读 Section CThe "coca" in the name referred to the extracts of coca leaf that the drink's originator, chemist John Pemberton, mixed with his sugary syrup 浆果.
2017年12月六级真题（第一套）阅读 Section CThe insect, also known as the tomato leaf miner, devastates crops by feeding on fruits and digging into and moving through stalks.
2017年12月六级真题（第一套）阅读 Section A柯林斯高阶英汉双解学习词典释义
N-COUNT
树叶；叶子
The leaves of a tree or plant are the parts that are flat, thin, and usually green. Many trees and plants lose their leaves in the winter and grow new leaves in the spring.
例句
In the garden, the leaves of the horse chestnut had already fallen...花园里，七叶树已经落叶了。The Japanese maple that stands across the drive had just come into leaf.车道对面那棵鸡爪枫刚吐新叶。N-COUNT
（书）页
A leaf is one of the pieces of paper of which a book is made.
例句
He flattened the wrappers and put them between the leaves of his book.他把包装纸压平，夹在书里。PHRASE
师法；效法；以（某人）为榜样
If you take a leaf from someone's book you behave in the same way as them because you want to be like that person or as successful as they are.
例句
Maybe we should take a leaf out of Branson's book. It's easy to see how he became a billionaire...也许我们应该效法布兰森。我们都不难看出他是怎样成为亿万富翁的。PHRASE
重新开始；洗心革面；改过自新
If you say that you are going to turn over a new leaf, you mean that you are going to start to behave in a better or more acceptable way.
例句
He realized he was in the wrong and promised to turn over a new leaf.他认识到自己错了，答应改过自新。PHRASE
（因寒冷、恐惧等）浑身发抖，抖如落叶
If you say that someone is shaking like a leaf, you mean that their body is shaking a lot, for instance because they are very cold or frightened.
例句
I didn't think about the danger at the time. Afterwards I was shaking like a leaf.我那时候没想到有危险，事后我吓得直发抖。英汉词典释义
n.
叶子
页
Several leaves had been torn out of the novel.这本小说已被撕掉了几页。金属薄片, 金箔
They needed three gold leaves.他们需要三张金箔。活动桌板；折叠桌板
有…状叶的；有…片叶的
vt. & vi.
翻书（报）
You casually pick up a tabloid and leaf through it while you're waiting.等侯的时候，随意拿起一册小报翻看英英词典释义
Noun
1. the main organ of photosynthesis and transpiration in higher plants
2. a sheet of any written or printed material (especially in a manuscript or book)
3. hinged or detachable flat section (as of a table or door)
Verb
1. look through a book or other written material;
"He thumbed through the report""She leafed through the volume"2. turn over pages;
"leaf through a book""leaf a manuscript"3. produce leaves, of plants
行业词典
体育： 瞄准尺；
医学： 叶；
建筑： 皮，又称：皮(wythe )；
植物学： 叶，又称：叶(frond)；
药学： 叶，维管植物的营养器官之一。由植株顶芽或侧芽茎尖顶端分生组织周缘区发生的叶原基生长和分化形成。；
