1. launch out : 下水, 开始新的事情, 大肆挥霍, 详述；
及物动词
不及物动词
1. 发射（火箭、导弹或卫星）
To launch a rocket, missile, or satellite means to send it into the air or into space.
2. 使（船）下水；使（新船）首次下水
To launch a ship or a boat means to put it into water, often for the first time after it has been built.
3. 开展（重大活动）；发起，发动（军事袭击等）
To launch a large and important activity, for example a military attack, means to start it.
4. 推出，发布（新产品）
If a company launches a new product, it makes it available to the public.
5. （在江河、湖泊和港口载人的）大型汽艇
A launch is a large motorboat that is used for carrying people on rivers and lakes and in harbours.
相关词组：launch into
1. the act of propelling with force
Synonym: launching
2. a motorboat with an open deck or a half deck