life-preserver

英 ['laɪfprɪz'ɜːvər] 美 ['laɪfprɪz'ɜːvər]

• n. 救生用具

life-preserver的英文翻译是什么意思，词典释义与在线翻译：

英英释义

名词 life preserver:

1. rescue equipment consisting of a buoyant belt or jacket to keep a person from drowning