keel
/ki:l/
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📖 中文释义
- n. 龙骨, 平底船
- vt. 装以龙骨, 使倾覆
- vi. 倾覆
🔗 释义中的汉语词
🧩 词形变化
📘 English Definition(英文释义)
- n. a projection or ridge that suggests a keel
- n. the median ridge on the breastbone of birds that fly
- n. one of the main longitudinal beams (or plates) of the hull of a vessel; can extend vertically into the water to provide lateral stability