网站首页  词典首页

请输入您要查询的英文单词：

　

单词 leaf
释义
leaf
noun[C]
uk
/liːf/us
/liːf/
pluralleaves

leafnoun[C](PLANT)

B1
one of theflat, usuallygreenpartsof aplantthat arejoinedat one end to thestemorbranch:
叶，叶片，叶子，树叶
apalmleaf棕榈树叶
autumnleaves秋叶
He wasrakingup leaves in hisgarden.他在自己的花园里扫集树叶。
picture of leaf
Akepong Srichaichana/EyeEm/GettyImages
be in leaf/come into leaf
When aplantis in leaf or when it comes into leaf, it has or gets leaves on it:
（植物）长出叶子
Thetreesare in leaf early thisyear.今年树木的叶子长得早。
Thebushesare just coming into leaf.灌木刚刚长出叶子。
More examples
  • The leaves on thetreeshavestartedtoturnarichcopperycolour.
  • Rubbing adockleaf onnettlestingshelpstorelievethepain.
  • Notice that the leaf of thisplanthasraggededges.
  • Emilyscrapedaway thedeadleaves torevealthetinyshootof a newplant.
  • Thebushlookedbadlydiseased, withblackmarkson all the leaves.
SMART Vocabulary: related words and phrases
Parts of plants
  • bilobed
  • blade
  • bough
  • bulb
  • calyx
  • caning
  • cascara sagrada
  • corolla
  • endodermis
  • needle
  • outgrowth
  • rhizome
  • simple leaf
  • spine
  • stoma
  • tea leaf
  • variegation
  • vascular
  • veined
  • vesicle
See more results »

leafnoun[C](PAPER)

athinsheetofpaper
（纸张的）页，片，张
SMART Vocabulary: related words and phrases
Publishing: paper & stationery
  • A3
  • A5
  • acid-free
  • assembler
  • backspace
  • ballpoint pen
  • chalk
  • foolscap
  • fountain pen
  • gift wrap
  • grammage
  • hanging chad
  • notepad
  • propelling pencil
  • pulp
  • quill
  • quire
  • qwerty
  • ream
  • slate
See more results »

leafnoun[C](TABLE)

anextrapartof atablethat can befoldedaway when not being used
活动桌板，折叠桌板
SMART Vocabulary: related words and phrases
Tables & desks
  • bedside table
  • bench
  • benchtop
  • booth
  • breakfast bar
  • bureau
  • card table
  • console
  • desk
  • drafting table
  • dressing table
  • drop-leaf table
  • high table
  • kitchen counter
  • standing desk
  • tabletop
  • trestle
  • trestle table
  • vanity
  • writing desk
See more results »

Idioms

shake like a leaf
take a leaf out ofsomeone'sbook
(Definition ofleaffrom theCambridge Advanced Learner's Dictionary & Thesaurus© Cambridge University Press)

leaf| American Dictionary

leaf
noun[C]
us
/lif/
pluralleavesus/livz/

leafnoun[C](PLANT)

any of theflat, usuallygreenpartsof aplantthat arejoinedat one end to thestemorbranch:
By earlyNovemberit’s gettingcoldand thetreesarestartingtolosetheirleaves.

leafnoun[C](PAPER)

athinflatsubstance,esp. asheetofpaper, or alayerof something:
Some of the leaves of theoldbookhad comeloose.
A leaf of atableis anextraflatpiecethat can beaddedto thetopsurfaceto make thetablelarger.
(Definition ofleaffrom theCambridge Academic Content Dictionary© Cambridge University Press)

Examplesofleaf

leaf
Many of these long leaves are preserved on the bedding planes of a siltstone.
From theCambridge English Corpus
The leaves of plants are beautifully designed to carry out photosynthesis.
From theCambridge English Corpus
They have abandoned leaves to reduce loss of water by transpiration, and their stems are swollen with stored water.
From theCambridge English Corpus
The drill was used a great deal in the leaves of the trees.
From theCambridge English Corpus
The attraction of both predators to the leaves containing pollen may be the reason for the lower levels of predation on the plants containing pollen.
From theCambridge English Corpus
The number of leaves needed on a stem from each plant species was then calculated.
From theCambridge English Corpus
Each point is the mean of measurements on leaves from the three canopy strata on four days.
From theCambridge English Corpus
A linear relationship determined from measurements on leaves in two- to six-year-old oil palm plantings served this purpose.
From theCambridge English Corpus
During submergence, the environmental conditions impose several stresses on the physiological activities of leaves.
From theCambridge English Corpus
Fresh leaves were added every two to three days.
From theCambridge English Corpus
Insects of the same age (4-5 days old) were placed on seedlings having two expanded leaves (about 18 days old).
From theCambridge English Corpus
When first instars reached terminal leaves they tended to stay for longer.
From theCambridge English Corpus
Plants were used at 4 weeks of age when they had two true sets of compound leaves.
From theCambridge English Corpus
Thus, one hypothesis is that the labor market climate in 2002 was more understanding toward taking child-care leaves.
From theCambridge English Corpus
A seedling was considered fully established when two leaves appeared in addition to the green cotyledons.
From theCambridge English Corpus
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.

Collocationswithleaf

leaf

These are words often used in combination withleaf.

Click on a collocation to see more examples of it.

autumn leaf
Or are they just hoping that something may turn up; and are they being blown hither and thither like anautumnleaf?
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
banana leaf
Mixed rice is often sold by street vendors, wrapped in abananaleaf.
From
Wikipedia
Creatives commons iconThis example is from Wikipedia and may be reused under a CC BY-SA license.
coriander leaf
Corianderleafwas found to prevent deposition of lead in mice, due to a presumptive chelation of lead by substances in the plant.
From
Wikipedia
Creatives commons iconThis example is from Wikipedia and may be reused under a CC BY-SA license.
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
#https://dictionary.cambridge.org//dictionary/english/leaf##
随便看

　

英汉词典包含213609条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。

　

Copyright © 1999-2024 qbania.com All Rights Reserved
更新时间：2024/12/28 14:51:14