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psZG#PJKXm;6p,J9a!bg。

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N#(%]goA9oZA4lj。

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^%w8!CwZ2F)#Q7qk)。

The police have launched an investigation into the incident.

警方已对该事件展开调查5!vthDR;+Vjd。

（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5;!bZjIEl5u6VB。

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

我们将乘汽艇到怀特岛=rL19;uqA2ouXH。

2、concern

忧虑;担心

The group has expressed concern about reports of political violence in Africa.

该团体对有关非洲政治暴力的报道表示关切8MG)Yl9m~uqbz2M。

The move follows growing public concern over the spread of the disease.

针对公众对该疾病的不断蔓延日益担忧，从而出台了这一举措;+x,3uss^uQf8eYf~k5。

令人担忧的事实(或情况)

His concern was that people would know that he was responsible.

他担心大家会知道是他的责任Gd!nH9y;a1@8-f7。

Unemployment was the electorate's main concern.

选民关心的主要是失业问题Kypv@=L[ap6]Kav8ndu%。