Keel
01
the main structural beam running along the bottom of a ship's hull, providing stability and strength
文法情報
例
The ship's keel was laid in dry dock, marking the start of construction.
02
the median ridge on the breastbone of birds that fly
03
a projection or ridge that suggests a keel
to keel
01
walk as if unable to control one's movements
文法情報
規則的
現在時制
keeling
単純過去
keeled
過去分詞
keeled
