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(lái)推銷(xiāo)他們的新旅游服務(wù)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(lái)發(fā)射火箭的,進(jìn)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(fā)射宇宙飛船的計畫(huà)，因天氣惡劣而落空。
