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Bulabula789
lifejacket英 ['laɪfɪdʒækɪt] 美 ['laɪfɪdʒækɪt] n. 救生衣Don't forget to put on the lifejacket before you get on board.上船前别忘了穿救生衣。
永远幸福66
Wear a life jacket
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