v.抛弃；丢弃；投弃
n.投弃；投弃的货物
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,进入高层大气后即抛掉。
We jettison an unworkable plan . 我们放弃难实行的计划。
We're going to jettison the cargo. 我们正准备投弃货物。
用作名词 (n.)No jettison of cargo shall be allowed as general average, unless such cargo is carried in accordance with the recognised custom of the trade. 被抛弃的货物，除非按照公认的海运习惯运送，不得作为共同海损受到补偿。
