| 单词 | rim |
| 释义 | rim n. & v. --n 1. a a raised edge or border. b a margin or verge, esp. of something circular. 2. the part of a pair of spectacles surrounding the lenses. 3. the outer edge of a wheel, on which the tyre is fitted. 4. a boundary line (the rim of the horizon). --vtr. (rimmed, rimming) 1. a provide with a rim. b be a rim for or to. 2. edge, border. Phrases and idioms rim-brake a brake acting on the rim of a wheel. Derivatives rimless adj. rimmed adj. (also in comb.). Etymology: OE rima edge: cf. ON rimi ridge (the only known cognate) |
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