jettison
v[Tn]
1 throw or eject (unwanted goods or material) from a ship in distress, or from an aeroplane, a spacecraft, etc 從遇難船中或從飛機(jī)、 宇宙飛船等上投棄(物品)
The first-stage vehicle is used to launch the rocket and is then jettisoned in the upper atmosphere. 第一級(jí)運(yùn)載火箭是用來(lái)發(fā)射火箭的, 進(jìn)入高層大氣後即拋掉.
2 abandon or reject (sth that is not wanted) 放棄或拒絕(不想要的事物)
to jettison a plan, an idea, a theory, etc 放棄一計(jì)劃、 想法、 理論等.