| 释义 |
keel1/ki:l/ n. & v.●n. 1 the lengthwise timber or steel structure along the base of a ship, airship, or some aircraft, on which the framework of the whole is built up (船、飞艇、飞机等的)龙骨 2 poet. a ship [诗]舟 3 a ridge along the breastbone of many birds; a carina (鸟的)突出胸骨；隆骨状突起 4 Bot. a prow-shaped pair of petals in a corolla etc. 【植】(花冠等的)龙骨瓣 ●v. 1 (often foll. by 常后跟 over)a intr. turn over or fall down 翻转；翻倒 b tr. cause to do this 使翻转，使翻倒 2a intr. (of a boat) turn keel upwards (船)底朝天翻转，倾覆 b tr. turn up the keel of (a boat) 把(船)翻转，使(船)底朝天 □ keelless adj.[Middle English kele from Old Norse kjölr, from Germanic] |