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lift off 英 [lift ɔf] 　美 [lɪft ɔf]

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lift off

phrase. （火箭等）发射；（直升飞机）起飞　

The spaceship will lift off from the launching pad at 7 a. m.　宇宙飞船将于上午七时由发射台发射升空。

Discovery will lift off on November 1, for a 10-day mission carrying parts to the International Space Station.　发现号定于今年10月1日发射升空，历时十天，为国际空间站运送给养。

1. The spaceship will lift off from the launching pad at 7 a. m.

宇宙飞船将于上午七时由发射台发射升空。
2. Discovery will lift off on November 1, for a 10-day mission carrying parts to the International Space Station.

发现号定于今年10月1日发射升空，历时十天，为国际空间站运送给养。
3. The company's reusable rockets are designed to lift off for space and return several times a day.

该公司的火箭可以二次使用，其设计不但可以发射至太空中，还可以在一天中往返数次。

ˌlift ˈoff

(of arocketor, less frequently, an aircraft火箭，有时也指飞行器)to leave the ground and rise into the air发射；起飞；升空related nounlift-off