1、end up

(通常指意外地)最终到达

The result was that the engine ended up at the bottom of the canal.

结果引擎最终沉到了运河底。

She fled with her children, moving from neighbour to neighbour and ending up in a friend's cellar.

她带着孩子逃亡，从一个邻居家跑到另一个邻居家，最后逃到了一个朋友的地下室。

最终；结果；到头来

If you don't know what you want, you might end up getting something you don't want.

如果你不知道自己想要什么，到头来你可能得非所愿。

Every time they went dancing they ended up in a bad mood.

每次他们去跳舞，都会不欢而散。

2、launch

发射（火箭、导弹或卫星）

NASA plans to launch a satellite to study cosmic rays.

美国国家航空航天局计划发射一颗卫星上天，对宇宙射线进行研究。

A Delta II rocket was launched from Cape Canaveral early this morning.

今天一早，一枚“德尔塔”Ⅱ型火箭在卡纳维拉尔角发射升空。

开展（重大活动）；发起，发动（军事袭击等）

Heavy fighting has been going on after the guerrillas had launched their offensive.

游击队发起攻击后，激烈的战斗一直持续不断。

The police have launched an investigation into the incident.

警方已对该事件展开调查。