leaf

noun

/liːf/

(plural leaves

/liːvz/

)

Idioms

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[countable] a flat green part of a plant, growing from a stem or branch or from the root叶；叶片；叶子
- lettuce/cabbage/oak leaves莴苣叶；卷心菜叶；橡树叶
- the dead leaves of autumn/the fall秋天的枯叶
- The leaves on the trees were beginning to turn from green to orange.树上的叶子开始从绿色变成橙色。
- in leaf Few trees are in leaf yet.还没有几棵树长出叶子。
- The trees are just coming into leaf.树木正好在长叶子。
Collocations The living world
The living world生物界Animals动物
- animals mate/breed/reproduce/feed (on something)动物交配／繁育／繁殖／以…为食
- fish/amphibians swim/spawn (= lay eggs)鱼／两栖动物游动／产卵
- birds fly/migrate/nest/sing鸟飞翔／迁徙／筑巢／啼叫
- insects crawl/fly/bite/sting昆虫爬／飞／咬／叮
- insects/bees/locusts swarm昆虫／蜜蜂／蝗虫成群地飞来飞去
- bees collect/gather nectar/pollen蜜蜂采蜜／花粉
- spiders spin/weave a web蜘蛛结网／织网
- snakes/lizards shed their skins蛇／蜥蜴蜕皮
- bears/hedgehogs/frogs hibernate熊／刺猬／青蛙冬眠
- insect larvae grow/develop/pupate昆虫的幼虫生长／发育／化蛹
- an egg/a chick/a larva hatches卵孵化；小鸡出壳；幼虫孵出
- attract/find/choose a mate吸引／找到／选择配偶
- produce/release eggs/sperm产卵；排卵；产生／释放精子
- lay/fertilize/incubate/hatch eggs产卵；使卵受精；孵卵
- inhabit a forest/a reef/the coast栖居于森林／礁石／海岸
- mark/enter/defend (a) territory标出／进入／保卫领地
- stalk/hunt/capture/catch/kill prey悄悄接近／猎杀／捕获／杀死猎物
Plants and fungi植物和真菌
- trees/plants grow/bloom/blossom/flower树木／植物生长／开花
- a seed germinates/sprouts种子发芽
- leaves/buds/roots/shoots appear/develop/form叶子／花蕾／根茎／幼苗长出来／长大／成形
- flower buds swell/open花蕾含苞欲放／绽放
- a fungus grows/spreads/colonizes something菌类生长／扩散／长满…
- pollinate/fertilize a flower/plant给花／植物授粉
- produce/release/spread/disperse pollen/seeds/spores长出／传播花粉／种子／孢子
- produce/bear fruit结果
- develop/grow/form roots/shoots/leaves长出根茎／嫩芽／叶子
- provide/supply/absorb/extract/release nutrients提供／吸收／提取／释放营养物
- perform/increase/reduce photosynthesis进行／增加／减少光合作用
Bacteria and viruses细菌和病毒
- bacteria/microbes/viruses grow/spread/multiply细菌／微生物／病毒生长／扩散／繁殖
- bacteria/microbes live/thrive in/on something细菌／微生物在…中存活／大量生长
- bacteria/microbes/viruses evolve/colonize something/cause disease细菌／微生物／病毒进化／长满…／引发疾病
- bacteria break something down/convert something (into something)细菌（将某物）分解／转化（成某物）
- a virus enters/invades something/the body病毒进入／侵入某物／身体
- a virus mutates/evolves/replicates (itself)病毒变异／演化／（自我）复制
- be infected with/contaminated with/exposed to a new strain of a virus/drug-resistant bacteria感染上／接触到一种新病毒／抗药性细菌
- contain/carry/harbour bacteria/a virus带有细菌／病毒
- kill/destroy/eliminate harmful/deadly bacteria杀灭有害的／致命的细菌
see also bay leaf, curry leaf, fig leaf, maple leaf, tea leaf
Extra Examples
- Deciduous trees shed their leaves in autumn.落叶树木在秋天落叶。
- The leaves of this plant are from 1 to 1½ inches in length.这种植物的叶子长1到1英寸。
- He picked a leaf from the basil plant and started to chew it.他摘下一片罗勒叶子嚼了起来。
- In the spring the plant began to put out new leaves.春天这株植物开始长出新叶。
- It was spring and the trees were coming into leaf.春天来了，树木发芽了。
- Spring arrived and the first green leaves began to appear.春天到了，第一批绿叶开始长出来了。
- Stop trying to read tea leaves.别再试图预测未来了。
- The boys helped by raking the leaves in the yard.男孩们帮忙把院里的树叶耙拢起来。
- The corn was already ripening and the trees in full leaf.玉米已经成熟，树木也已枝繁叶茂。
- The ground was thick with dead leaves.地上积了厚厚的枯叶。
- The leaves rustled in the light breeze.树叶在微风中沙沙作响。
- The summer was over and the leaves were beginning to turn.夏季过去了，叶子开始变黄。
- This plant has beautifully variegated leaves.这种植物的叶子色彩斑斓，非常漂亮。
- Throw the tea leaves on the flower bed.把茶叶撒在花坛上。
- broad leaf plants阔叶植物
- dry leaves blowing in the wind在风中舞动的枯叶
- the leaf litter on the forest floor森林的落叶层
Topics Plants and treesb1
Oxford Collocations Dictionary
adjective
- new
- young
- autumn
- …
verb + leaf
- have
- come into
- grow
- …
leaf + verb
- appear
- emerge
- grow
- …
leaf + noun
- litter
- mould/mold
phrases
- in full leaf
See full entry
-leaf, -leafed, -leaved
(in adjectives构成形容词) having leaves of the type or number mentioned有…状叶的；有…片叶的
- a four-leaf clover四叶车轴草
- a broad-leaved plant阔叶植物
[countable] a sheet of paper, especially a page in a book（纸）页，张；（尤指书的）页
- She carefully turned the leaves of the precious volume.她小心翼翼地翻动珍贵的书页。
see also flyleaf, loose-leaf, overleafTopics Literature and writingc1
[uncountable] metal, especially gold or silver, in the form of very thin sheets薄金属片；（尤指金或银）箔
- gold leaf金箔
[countable] a part of a table that can be lifted up, or an extra section that can be added into the table, in order to make the table bigger活动桌板；折叠桌板

Word OriginOld English lēaf, of Germanic origin; related to Dutch loof and German Laub.

Idioms

take a leaf from/out of somebody’s book

to copy somebody’s behaviour and do things in the same way that they do, because they are successful效仿，模仿（成功之人的举止和行为）

turn over a new leaf

to change your way of life to become a better, more responsible person改恶从善；重新做人

leaf

verb

/liːf/

Verb Forms

present simple I / you / we / they leaf	/liːf/ /liːf/
he / she / it leafs	/liːfs/ /liːfs/
past simple leafed	/liːft/ /liːft/
past participle leafed	/liːft/ /liːft/
-ing form leafing	/ˈliːfɪŋ/ /ˈliːfɪŋ/