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lifeblood

美音:[´laıf´blʌd ]点这儿播放单词美音发声
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n.生命必须的血液,活力的源泉

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lifeblood为短语/超纲词汇

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lifeblood


n[U]
the most important thing needed by an organization, relationship etc to continue to exist or develop successfully
lifeblood of
 Communication is the lifeblood of a good marriage.
literary your blood