记忆方法
将“lifeblood”拆分为“life”和“blood”。想象血液是维持生命活力的重要组成部分，就像血是生命（life）的源泉一样，因此“lifeblood”可以理解为生命的源泉或最重要的部分。
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词族 · lifeblood
词形变化
中文词源
lifeblood 命根
life,生命，blood,血。
英语词源
- lifeblood (n.)
- also life-blood, 1580s, "blood necessary for life," from life (n.) + blood (n.). Figurative and transferred use is from 1590s.
权威例句
- 1. Coal and steel were the region's lifeblood.
- 煤炭和钢铁曾是这个地区的生命线。
- 2. Small businesses are the lifeblood of the economy.
- 小型企业是经济的生命力所在。
- 3. Tourism is the lifeblood of the city.
- 旅游业是这座城市的命脉。
- 4. Capable workers are the lifeblood of the business.
- 能干的工人是工商企业的生命力.
- 5. The boy is the lifeblood of his parents.
- 这男孩是他父母的命根子.