to launch的用法和樣例：
例句
- The company spent thousands of pound to launch a new travel service.
這家公司花費了數千英鎊，來推銷他們的新旅遊服務項目。 - The first-stage vehicle is used to launch the rocket and is then jettisoned in the upper atmosphere.
第一級運載火箭是用來發射火箭的,進入高層大氣后即拋掉。 - The Queen is to launch a new warship today.
今天女王要主持新軍艦下水儀式。 - Bad weather has frustrated plans to launch the spacecraft today.
今日發射宇宙飛船的計畫，因天氣惡劣而落空。
