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life preserver的英文翻譯是什麼意思，詞典釋義與在線翻譯：
英英釋義
Noun:
-
rescue equipment consisting of a buoyant belt or jacket to keep a person from drowning
life preserver的用法和樣例：
例句
- A silky fiber obtained from the fruit of the silk-cotton tree and used for insulation and as padding in pillows, mattresses, and life preservers.
木棉一種絹狀纖維，從木棉樹的果實中提取出來，用作隔音材料，也可用作枕頭，褥墊和救生用具中的墊料 - This is a life preserver.
這是救生用品。
