jettison

n. 投弃,投弃货物

The first-stage vehicle is used to launch the rocket and is then jettisoned in the upper atmosphere.

第一级运载火箭是用来发射火箭的, 进入高层大气後即抛掉.

A ship jettisoning wastes; a pilot jettisoning aircraft fuel.

一艘正在丢弃废物的船；一个正在抛弃飞机燃料的飞行员