keel
- vt. 给…装龙骨;把…翻转
- n. 龙骨;平底船;龙骨脊
- vi. 翻倒;倾覆
- n. (Keel)人名;(德)克尔;(英)基尔
英英释意
- 1. the median ridge on the breastbone of birds that fly
- 2. one of the main longitudinal beams (or plates) of the hull of a vessel; can extend vertically into the water to provide lateral stability