| 单词 | life-and-death | 
| 释义 | life-and-death (līfən-dĕth) or   life-or-death (līfər-) adj. 1.  Involving or ending in life or death: a mongoose in a life-and-death battle with a cobra. 2.  Vitally important: a life-and-death struggle between union and management.  | 
	
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