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lifeblood

英 ['laɪfblʌd] 美['laɪf'blʌd]

英英释义实用场景例句

n. 生机的根源；生命必须的血液；命脉；命根子

英英释意

1. the blood considered as the seat of vitality

2. an essential or life-giving force;: "water is the lifeblood of India"