v. throw away, of something encumbering
v. throw as from an airplane
n. 投弃, 投弃货物
[经] 抛弃, 船货投海
1. The captain decided to jettison the extra cargo to lighten the ship.
船长决定抛弃多余的货物以减轻船只负担。
2. In an emergency, the pilot had to jettison fuel before landing.
在紧急情况下，飞行员不得不在着陆前排放燃料。
3. The company had to jettison some projects to focus on its main products.
该公司不得不放弃一些项目，以专注于其主要产品。