n.（火箭等）發(fā)射；起飛

fell unconscious

A three-day countdown for a mission to the international space station had been scheduled to start on Monday, leading to a Thursday liftoff from the Kennedy Space Center. 本來這個星期一將是航天飛機發(fā)射的倒數(shù)第三日，也就是說按照原計劃這星期四航天飛機應該從肯尼迪航天中心發(fā)射升空。

Tragedy struck on what was to be a routine liftoff from Coruscant. 有一次，當他的貨船在科洛桑像往常一樣準備起飛時，悲劇發(fā)生了。