英 [ˈlaɪfblʌd] 美 [ˈlaɪfblʌd]
n. 生机的根源；生命必须的血液；命脉；命根子
lifeblood /ˈlaɪfˌblʌd/
单数型名词 The lifeblood of an organization, area, or person is the most important thing that they need in order to exist, develop, or be successful. 生命线
Small businesses are the lifeblood of the economy.
小型企业是经济的生力军。
Coal and steel were the region's lifeblood.
煤炭和钢铁曾是这个地区的生命线。
the blood considered as the seat of vitality
an essential or life-giving force
water is the lifeblood of India
... lifebelt救生带 救生带 生物带 安全带 lifeblood生命线 lifeboat救生艇 救生艇 ...
... 命令command 命脉lifeline;lifeblood 命名denominate ...
... life-strings 维持生命之物 lifeblood 鲜血 lifeboatman 救生艇人员 ...
lifeless 无生命的；死气沉沉的；无趣味的
lifelessly 无生命地
lifelessness 枯燥无味）；无生命（死
Tourism is the lifeblood of the city.
旅游业是这座城市的命脉。
Coal and steel were the region's lifeblood.
煤炭和钢铁曾是这个地区的生命线。
Trade is the lifeblood of most modern states.
贸易是大多数现代国家的命脉。
The weak job market has not only hurt spending, the lifeblood of the economy.
VOA : special.2009.12.18
And you may not eat animal flesh that has the lifeblood in it because the blood is the life and that belongs to God, that's holy, right?
也不能生吃带着血的动物生肉,因为血液是活的，它属于上帝，它是神圣的，不是吗？
旧约导论课程节选 : 耶鲁公开课
For your lifeblood I will surely require a reckoning; So if you are killed by a beast or a human, there will have to be a reckoning, an accounting.
你们的血;,无论你是被人或者兽所杀，我必将讨他的罪。
旧约导论课程节选 : 耶鲁公开课
The Mekong River is the lifeblood of Southeast Asia, with the largest inland fisheries in the world.
VOA : standard.2010.01.11
The IRS the taxing agency that draws the lifeblood of our country is supposed to be tough but even-handed.
FORBES: Alphabet Stink: DOJ Puts FBI On IRS, But Who's On AP?
Flowing from this facility was the technological lifeblood of the twentieth century the first practical lightbulb, the microphone, the phonograph, the subway, and much more.
The lifeblood of AIPAC is here in this room grass-roots activists of all ages, from all parts of the country, who come to Washington year after year to make your voices heard.