Word · CEFR A1 · Frequency #1823
leaf
叶；叶子
The usually green, flat part of a plant that grows from a stem and carries out photosynthesis; also a leaf-like plant structure.
- 1.
The usually green and flat organ that represents the most prominent feature of most vegetative plants.
通常为绿色扁平器官,是多数绿色植物最显著的特征。
- 2.
A model of car built by Nissan, with a name chosen for its green connotations.
日产生产的一款汽车型号,名称取环保之意。
- 3.
the main organ of photosynthesis and transpiration in higher plants
高等植物光合作用和蒸腾作用的主要器官
- 4.
A foliage leaf or any of the many and often considerably different structures it can specialise into.
叶或叶特化形成的各种形态结构。
- 5.
a sheet of any written or printed material (especially in a manuscript or book)
(尤指手稿或书籍中的)纸张,页
- 6.
Anything resembling the leaf of a plant.
任何类似植物叶子的东西。
- 7.
hinged or detachable flat section (as of a table or door)
(桌子或门等的)铰接或可拆卸的平面部分
- 8.
A sheet of a book, magazine, etc. (consisting of two pages, one on each face of the leaf).
书、杂志等的页(一张纸,两面各一页)。
- 9.
A sheet of any substance beaten or rolled until very thin.
任何物质被锤打或碾压成极薄的片。
- 10.
One of the individual flat or curved strips of metal, typically made of spring steel, that make up a leaf spring.
板簧中扁平或弯曲的金属条之一,通常由弹簧钢制成。
- 11.
Tea leaves.
茶叶。
- 12.
A flat section used to extend the size of a table.
用于扩展桌子尺寸的活动板。
- 13.
A moveable panel, e.g. of a bridge or door, originally one that hinged but now also applied to other forms of movement.
可移动的板,如桥梁或门的部件,最初指铰链式,现也指其他运动形式。
- 14.
In a tree, a node that has no descendants.
树中没有任何子节点的节点。
- 15.
The layer of fat supporting the kidneys of a pig, leaf fat.
猪肾脏周围的脂肪层,即板油。
- 16.
One of the teeth of a pinion, especially when small.
小齿轮的齿,尤指较小的齿。
- 17.
A particular value of the EAX register when a program runs the CPUID instruction; each leaf represents a different category of information returned about the processor.
程序执行CPUID指令时EAX寄存器的特定值；每个叶值代表处理器返回信息的不同类别。
茶叶；（书、手稿的）页；张；（桌子的）活动桌板；（门的）门扇；薄片；箔；叶状物
In use
The leaf turned yellow in autumn.
Each leaf on the tree is unique.
She picked up a fallen leaf.
a leaf of [plant]
She picked a leaf of mint.
她摘了一片薄荷叶。
leaves [verb] [adverb/prepositional phrase]
注意leaves是leaf的复数形式。
The leaves rustle in the wind.
树叶在风中沙沙作响。
Common mistakes
I collected many leafs.I collected many leaves.
leaf的复数形式是leaves，不是leafs，属于不规则变化。
Please turn the leaf.
Connections
Collocations
- leaf blade
- 叶片
- The leaf blade of this plant is broad and flat.这种植物的叶片宽而平。
- leaf litter
- 落叶层
- The forest floor was covered with leaf litter.森林地面覆盖着落叶层。
- turn over a new leaf
- 翻开新的一页；改过自新
- He decided to turn over a new leaf and start exercising.他决定改过自新，开始锻炼。
- leaf through
- 浏览（书页）
- I leafed through the magazine while waiting.我等待时浏览了杂志。
- leaf node
- 叶节点
- In a tree data structure, a leaf node has no children.在树形数据结构中，叶节点没有子节点。
- leaf spring
Learner notes
Memory Tip
叶子leaf，去掉一个e就变成leave（离开），叶子离开树枝。
Context & Register
通常用于植物学或生物学语境，指植物的叶子；也可用于书籍或家具，但后者比较专业。
Pronunciation & Spelling
All six words rhyme with leaf: they share the vowel /iː/ and end with /f/. Beware of lookalikes like 'deaf' (/dɛf/) which is spelled with 'eaf' but does not rhyme.
High-value vocabulary
该词属于 Oxford 核心词汇，值得优先掌握常见搭配和句型。
Usage priority
Collins 词频等级为 3，建议结合例句记忆，而不是只背中文释义。
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.