1、launch

發射（火箭、導彈或衛星）

NASA plans to launch a satellite to study cosmic rays.

美國國家航空航天局計劃發射一顆衛星上天，對宇宙射線進行研究psZG#PJKXm;6p,J9a!bg。

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

今天一早，一枚“德爾塔”Ⅱ型火箭在卡納維拉爾角發射升空N#(%]goA9oZA4lj。

開展（重大活動）；發起，發動（軍事襲擊等）

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

游擊隊發起攻擊后，激烈的戰斗一直持續不斷^%w8!CwZ2F)#Q7qk)。

The police have launched an investigation into the incident.

警方已對該事件展開調查5!vthDR;+Vjd。

（在江河、湖泊和港口載人的）大型汽艇

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

船長站在汽艇甲板上為領航員保向5;!bZjIEl5u6VB。

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

我們將乘汽艇到懷特島=rL19;uqA2ouXH。

2、concern

憂慮;擔心

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

該團體對有關非洲政治暴力的報道表示關切8MG)Yl9m~uqbz2M。

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

針對公眾對該疾病的不斷蔓延日益擔憂，從而出臺了這一舉措;+x,3uss^uQf8eYf~k5。

令人擔憂的事實(或情況)

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

他擔心大家會知道是他的責任Gd!nH9y;a1@8-f7。

Unemployment was the electorate's main concern.

選民關心的主要是失業問題Kypv@=L[ap6]Kav8ndu%。