jettison
v[Tn]
1 throw or eject (unwanted goods or material) from a ship in distress, or from an aeroplane, a spacecraft, etc 从遇难船中或从飞机、 宇宙飞船等上投弃(物品)
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.
2 abandon or reject (sth that is not wanted) 放弃或拒绝(不想要的事物)
to jettison a plan, an idea, a theory, etc 放弃一计划、 想法、 理论等.
Can you find her purse? If she's gone somewhere she will have taken it.
你能找到她的钱包吗?如果她去什么地方她会带着它的。
They had to work inside the ship, cutting away old metal, fixing new metal plates, drilling holes, laying electrical and phone wires and fixing new pipes for water and steam.