| 单词 | leaf |
| 释义 | leaf n. & v. --n (pl. leaves) 1. a each of several flattened usu. green structures of a plant, usu. on the side of a stem or branch and the main organ of photosynthesis. b other similar plant structures, e.g. bracts, sepals, and petals (floral leaf). 2. a foliage regarded collectively. b the state of having leaves out (a tree in leaf). 3. the leaves of tobacco or tea. 4. a single thickness of paper, esp. in a book with each side forming a page. 5. a very thin sheet of metal, esp. gold or silver. 6. a the hinged part or flap of a door, shutter, table, etc. b an extra section inserted to extend a table. --v 1. intr. put forth leaves. 2. tr. (foll. by through) turn over the pages of (a book etc.). Phrases and idioms leaf-green the colour of green leaves. leaf insect any insect of the family Phylliidae, having a flattened body leaflike in appearance. leaf-miner any of various larvae burrowing in leaves, esp. moth caterpillars of the family Gracillariidae. leaf-monkey a langur. leaf-mould soil consisting chiefly of decayed leaves. leaf spring a spring made of strips of metal. leaf-stalk a petiole. Derivatives leafage n. leafed adj. (also in comb.). leafless adj. leaflessness n. leaflike adj. Etymology: OE leaf f. Gmc |
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