keel

關於keel的翻譯

龍骨,平底船 <<及物動詞>>裝以龍骨,使傾覆 <<非及物動詞>>傾覆

keel definition

1. a projection or ridge that suggests a keel
2. the median ridge on the breastbone of birds that fly
3. one of the main longitudinal beams (or plates) of the hull of a vessel; can extend vertically into the water to provide lateral stability