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单词 leaf-sheaths
释义

leaf /lēf/

noun (pl leaves /lēvz/)
  1. One of the lateral organs developed from the stem or axis of a plant below its growing-point, esp one of those flat green structures that transpire and assimilate carbon
  2. Any similar structure, such as a scale or a petal
  3. The condition of having leaves
  4. Leaves collectively
  5. Anything beaten thin like a leaf
  6. Two pages of a book on opposite sides of the same paper
  7. A broad thin part, structure or extension, hinged, sliding or inserted at will, for folding doors, window-shutters, table tops, drawbridges, etc
  8. The tooth of a pinion
  9. Marijuana (slang)
transitive verb (leafˈing; leafed) and intransitive verb

(with through) to turn the pages of (a book, etc)

intransitive verb

(also leave) to produce leaves

adjective

In the form of leaves

ORIGIN: OE lēaf; Ger Laub, Du loof a leaf

leafˈage noun

Foliage

leafed /lēft/ adjective

Having leaves (also leaved /lēvd/)

leafˈery noun

Leafage

leafˈiness noun

leafˈless adjective

Having no leaves

leafˈlet noun

  1. A single sheet of printed political, religious, advertising, etc matter, flat or folded, or several sheets folded together
  2. A little leaf
  3. A division of a compound leaf
transitive verb (leafˈleting, or less correctly leafˈletting; leafˈleted or less correctly leafˈletted)

To distribute leaflets to

intransitive verb

To distribute leaflets

leafleteerˈ noun

leafˈlike adjective

leafˈy or leavˈy adjective

  1. Covered with or having many leaves
  2. Abounding with trees and shrubs
  3. Leaflike

leafˈ-base noun

The base of a leaf-stalk, where it joins the stem

leaf beetle noun

Any beetle of the family Chrysomelidae, including the Colorado beetle

leafˈ-bridge noun

A drawbridge with rising leaves swinging on hinges

leafˈbud noun

A bud producing a shoot with foliage leaves only (not flowers)

leafˈ-climbˈer noun

A plant that climbs by means of its leaves (petioles or tendrils)

leaf curl noun

A plant disease of various kinds characterized by curling of the leaves

leafˈ-cushion noun

  1. A swollen leaf-base
  2. A pulvinus that serves as a hinge for leaf movements
  3. A raised scar marking the position of a leaf

leafˈ-cutter noun

An insect (ant or bee) that cuts pieces out of leaves

leafˈ-cuttˈing noun

A leaf used as a cutting for propagation

leafˈ-fall noun

  1. The shedding of leaves
  2. The time of the shedding of leaves, usu autumn
  3. Premature fall of leaves

leaf fat noun

Dense fat that forms around the kidneys of some animals, esp pigs

leafˈ-green noun

Chlorophyll

leafˈ-hopper noun

A name for various hopping orthopterous insects that suck plant juices

leaf insect noun

An orthopterous insect of the family Phasmidae with wing-covers like leaves

leafˈ-metˈal noun

Metal, esp alloys imitating gold and silver, in very thin leaves for decoration

leaf miner noun

An insect whose larvae bore into and feed on leaves

leaf monkey noun

An Asian monkey of the genus Presbytis

leaf mosaic noun

  1. A name for various virus diseases of potato, tobacco, etc in which the leaf is mottled
  2. The arrangement of leaves so as to avoid shading one another

leaf mould or leaf soil noun

Earth formed from decayed leaves, used with soil as a compost for plants

leafˈ-nosed adjective

Having a leaflike structure on the nose, as certain bats

leaf roll noun

A potato disease

leafˈ-scar noun

A scar left by the fall of a leaf

leafˈ-sheath noun

A leaf-base more or less completely enveloping the stem

leaf spot noun

Any of several plant diseases characterized by the appearance of dark spots on the leaves

leaf spring noun

A spring made up of narrow, curved strips of metal of increasing length

leafˈ-stalk noun (botany)

The petiole of a leaf

leaf trace noun

A branch from the vascular system of the stem destined to enter a leaf

take a leaf out of someone's book see under book

turn over a new leaf

To begin a new and better course of conduct

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更新时间:2024/11/10 13:42:55