1、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。

（在江河、湖泊和港口载人的）大型汽艇

The captain was on the deck of the launch, steadying the boat for the pilot.

船长站在汽艇甲板上为领航员保向。

We'll make a trip by launch to White Island.

我们将乘汽艇到怀特岛。

2、trigger

(枪的)扳机

A man pointed a gun at them and pulled the trigger.

一名男子拿枪指着他们，接着扣动了扳机。

引爆;启动;触发

The thieves must have deliberately triggered the alarm and hidden inside the house.

盗贼肯定是故意触发了报警器，然后躲在房子里。

The one thousand pound bomb was triggered by a wire.

那颗重达 1,000 磅的炸弹是由一根导线引爆的。

引起;发动;促使

the incident which triggered the outbreak of the First World War.

导致第一次世界大战爆发的事件

The current recession was triggered by a slump in consumer spending

目前的经济衰退是由消费支出骤跌引起的。