leaf

名词 leaf:

1. the main organ of photosynthesis and transpiration in higher plants
   同义词：leafage, foliage
2. a sheet of any written or printed material (especially in a manuscript or book)
   同义词：folio
3. hinged or detachable flat section (as of a table or door)

动词 leaf:

1. look through a book or other written material
   同义词：flick, flip, thumb, riffle, riff
2. turn over pages
3. produce leaves, of plants

1. I'm shaking like a leaf.
   我混身都在发抖。
2. The falling leaf spiralled to the ground.
   落叶盘旋著飘到了地上。
3. If you focus the sun's rays through a magnifying glass on a dry leaf, it will start to burn.
   用放大镜把阳光聚到乾叶子上，叶子就能燃烧。
4. The maple leaf is the emblem of Canada.
   枫叶是加拿大的象征。
5. Not a leaf nor an insect stirred.
   不单是树叶，连个虫子都不动。
6. I saw him take a leaf out of the book.
   我看见他从书上撕下一页。
7. This plant has green leaves throughout the year.
   这种植物终年常青。
8. Trees begin to have leaves in spring.
   春天，树木开始长叶子了。

leaf

n.（名词）
【复数】 leaves[lôvz]
A usually green, flattened, lateral structure attached to a stem and functioning as a principal organ of photosynthesis and transpiration in most plants.
叶子：连接在茎上的结构，通常是绿色、扁平且侧生，在多数植物中是光合作用和呼吸的主要器官
A leaflike organ or structure.
叶状的结构：象叶子一样的器官或结构

Leaves considered as a group; foliage.
叶子的总称；簇叶
The state or time of having or showing leaves:
枝叶繁茂：有叶或显示出叶子的状态或时间：
例句：
trees in full leaf.
长满叶子的树木

The leaves of a plant used or processed for a specific purpose:
有特别用途的叶：为特定目的而使用或加工的植物叶子：
例句：
large supplies of tobacco leaf.
烟叶供应量很大

Any of the sheets of paper bound in a book, each side of which constitutes a page.
叶，张：装订在书中的纸张，每一面为一页
A very thin sheet of material, especially metal:
金属片：一种非常薄的片状物质，尤指金属的：
例句：
silver leaf.
银箔

A hinged or removable section for a table top.
活动桌面：桌子上部有铰链连接或可移动的部分
A hinged or otherwise movable section of a folding door, shutter, or gate.
扇：折叠门、百叶窗或大门上装有铰链或可移动的部分
One of several metal strips forming a leaf spring.
簧片：构成片簧的几个金属片中的一个
v.（动词）
leafed,leaf.ing,leafs
v.intr.（不及物动词）
To produce leaves; put forth foliage:
长叶：生出叶子；长叶：
例句：
trees just beginning to leaf.
刚发芽的树木

To turn pages, as in searching or browsing:
翻书页：翻页，如在搜寻或浏览中：
例句：
leafed through the catalog.
浏览目录

v.tr.（及物动词）
To turn through the pages of.
逐个翻页

来源：
Middle English
中古英语
from Old English lôaf
源自 古英语 lôaf