英语词汇救生袋是什么意思，救生袋的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典-觉斋网

单词	救生袋
释义	DEFINITIVE EXAMPLES 权威例句〔REFLECT〕Survival bags are made of reflective material to prevent heat loss. 救生袋由反射性的材料制成，用来防止热量散失。朗文写作活用
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