英语词汇“personal flotation device”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	personal flotation device
释义	WordReference Random House Unabridged Dictionary of American English © 2024 per′sonal flota′tion device′, Naval Termsa life preserver, life jacket, or other device for keeping a person afloat in the water: esp. in Coast Guard use. Abbr.: PFD 1970–75
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