“救生船”的英语可以翻译为：life preserver，lifeboat，rescue boat，lifeboat ...

救生船撞上了那艘正在下沉的船的侧身。The lifeboat crashed against the side of the sinking ship.夜间救生船又一次按指示出动了.The lifeboat was called out again during the night.救生船去救一艘遇险的船只.The lifeboat went out to a ship in distress....