to launch

• 使下水

to launch的用法和样例：

例句

1. The company spent thousands of pound to launch a new travel service.
   这家公司花费了数千英镑，来推销他们的新旅游服务项目。
2. The first-stage vehicle is used to launch the rocket and is then jettisoned in the upper atmosphere.
   第一级运载火箭是用来发射火箭的,进入高层大气后即抛掉。
3. The Queen is to launch a new warship today.
   今天女王要主持新军舰下水仪式。
4. Bad weather has frustrated plans to launch the spacecraft today.
   今日发射宇宙飞船的计画，因天气恶劣而落空。

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