leaf

B1 CET-4 Oxf 3000 初中 FREQ #5736 ★★★☆☆

n. 叶, 树叶, 花瓣, 页 vi. 生叶, 翻书页 vt. 在...上长叶, 翻...的页

发音

US
/liːf/

词形变化

leafs leaves 复数 leaves leafed leafing leafs 三单 leafing 现在分词 leafed 过去式 leafed 过去分词

别名

l. lf l

教材释义与例句

名词

叶子;(书籍等的)一张;扇页

one of the flat green parts of a plant that are joined to its stem or branches

动词

生叶;翻书页

释义与例句

n. B1 Oxf 3000
  1. 1.

    The usually green and flat organ that represents the most prominent feature of most vegetative plants.

    可数 不可数
  2. 2.

    A foliage leaf or any of the many and often considerably different structures it can specialise into.

    可数 不可数 生物 植物学
  3. 3.

    Anything resembling the leaf of a plant.

    叶子

    箬箬

    叶仔

    箬仔

    可数 不可数
  4. 4.

    A sheet of a book, magazine, etc. (consisting of two pages, one on each face of the leaf).

    可数 不可数 艺术 商务 媒体
  5. 5.

    A sheet of any substance beaten or rolled until very thin.

    可数 不可数

    gold leaf

  6. 6.

    One of the individual flat or curved strips of metal, typically made of spring steel, that make up a leaf spring.

    可数 不可数
  7. 7.

    Tea leaves.

    可数 不可数 复数形式
  8. 8.

    A flat section used to extend the size of a table.

    可数 不可数
  9. 9.

    A moveable panel, e.g. of a bridge or door, originally one that hinged but now also applied to other forms of movement.

    可数 不可数

    The train car has one single-leaf and two double-leaf doors per side.

  10. 10.

    In a tree, a node that has no descendants.

    可数 不可数 计算机 工程 数学
  11. 11.

    The layer of fat supporting the kidneys of a pig, leaf fat.

    可数 不可数
  12. 12.

    One of the teeth of a pinion, especially when small.

    可数 不可数
  13. 13.

    Cannabis.

    俚语 不可数 可数
  14. 14.

    A Canadian person.

    可数 幽默 贬义 不可数
  15. 15.

    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.

    可数 不可数 计算机 工程 数学
v.
  1. 1.

    To produce leaves; put forth foliage.

    不及物
  2. 2.

    To divide (a vegetable) into separate leaves.

    及物

    The lettuce in our burgers is 100% hand-leafed.

  3. 3.

    To play a prank on someone by throwing a large clump or collection of leaves at them.

    非正式 及物

词汇关系

相关短语

词源

From Middle English leef, from Old English lēaf, from Proto-West Germanic *laub, from Proto-Germanic *laubą (“leaf”), from Proto-Indo-European *lowbʰ-o-m, from *lewbʰ- (“to cut off”). Cognates Cognate with Scots leaf (“leaf”), Yola laafe (“leaf”), North Frisian luuf (“leaf”), Saterland Frisian Loof (“leaf”), West Frisian leaf (“leaf”), Cimbrian loap (“leaf”), Dutch loof (“foliage”), German Laub (“leaves”), German Low German Loov (“leaf”), Luxembourgish Laf (“foliage, leaves”), Mòcheno lap (“leaf”), Vilamovian łaub, łaup, łojp (“leaf”), Danish løv (“leaf”), Faroese leyv (“leaf”), Icelandic lauf (“leaf”), Norwegian Bokmål lauv, løv (“leaf”), Norwegian Nynorsk lauv (“leaf”), Swedish löf, löv (“leaf”), Gothic 𐌻𐌰𐌿𐍆𐍃 (laufs, “leaf”); also Irish luibh (“herb, plant”), Latin liber (“bast; book”), Albanian labë (“rind”), Lithuanian lúobas (“bark; bast”), Polish łub (“bark”), Russian луб (lub, “bast”). (Internet slang: Canadian): In reference to the maple leaf as national symbol.

来源:wiktionary