英语词汇“life preserver”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	life preserver
释义	life preserver 1. a buoyant jacket, belt, or other like device for keeping a person afloat. 2. Brit. Slang. a weapon, esp. a short stick with a weighted head; blackjack. [1630-40]
随便看	opt. optative optic optical optical activity optical art. optical astronomy optical bench optical center optical character recognition optical computer optical disk optical double star. optical effects optical fiber optical glass optical illusion. optical isomer optical isomerism optical maser optical path optical printer optical pumping optical rotation optical scanning

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