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。

推出，发布（新产品）

Crabtree Evelyn has just launched a new jam, Worcesterberry Preserve.

瑰珀翠刚推出一款新果酱——伍斯特浆果果酱。

Marks Spencer recently hired model Linda Evangelista to launch its new range.

玛莎百货最近聘请模特儿琳达·埃万杰利斯塔为其发布新系列产品。

2、vulnerable

脆弱的;易受伤害的

Old people are particularly vulnerable members of our society.

老年人是社会中尤为明显的弱势群体。

易感染（某种疾病）的；易患病的

People with high blood pressure are especially vulnerable to diabetes.

有高血压的人尤其易患糖尿病。

Plants that are growing vigorously are less likely to be vulnerable to disease.

生命力强的植物不容易得病。

易受伤害的;易受影响的

Their tanks would be vulnerable to attack from the air.

他们的坦克易受到空袭。

a table showing which cars are most vulnerable to theft.

易被盗车辆一览表