柯林斯詞典lifeblood /?la?f?bl?d/ (also life-blood) 1. N-SING The lifeblood of an organization, area, or person is the most important thing that they need in order to exist, develop, or be successful. 生命線[usu with poss] Small businesses are the lifeblood of the economy. 小型企業(yè)是經(jīng)濟的生力軍。 Coal and steel were the region's lifeblood. 煤炭和鋼鐵曾是這個地區(qū)的生命線。 返回 lifeblood劍橋詞典the thing that is most important to the continuing success and existence of something else 命脈，生命線 Tourism is the lifeblood of Hawaii's economy . 旅游業(yè)是夏威夷的經(jīng)濟命脈。 返回 lifeblood