（飞机、火箭等）起飞，发射升空; 揭开

1. （飞机、火箭等）起飞，升空，发射
When an aircraft or rocket lifts off, it leaves the ground and rises into the air.

e.g. The plane lifted off and climbed steeply into the sky.
飞机起飞并迅速爬升至空中。

verb

1. depart from the ground

e.g. The plane took off two hours late

Synonym: take off