vt.

1. 使（船）下水
   The new ship was launched today.

   新船今天下水了。

2. 发射；投掷；使升空
   The coach taught us how to launch a javelin.

   教练教我们投标枪。

3. 发动（战争等）；开展（斗争等）；发出（命令等）；提出（抗议等）
   The miners launched a strike.

   矿工发动了一场罢工。

4. 开办；发起；使开始从事
   We launched a new project.

   我们开始从事一个新项目。

5. 出版；将……投放市场

vi.

1. 开始；积极投入；猛力展开[（+into）]
   Father and his partner launched into a new business.

   父亲与他的合伙人开办了一家新商号。

2. （船）下水；出海；起飞
   Our ship launched for Boston.

   我们的船启航驶往波士顿。

n.[theS]

1. （船的）下水；发射
   the launch of a rocket

   火箭的发射

2. 发行；投放市场

n.[C]

1. （附属战舰的）大汽艇，工作艇
2. 汽艇；游艇

v.

1. set (a boat or ship) afloat, especially by sliding it into the water.
2. send (a rocket, missile, etc.) on its course.
   ▸hurl forcefully.
   ▸ (launch into) begin (something) energetically and enthusiastically.
3. begin (an enterprise) or introduce (a new product).

n.

n.

1. a large motorboat.
2. historical the largest boat carried on a man-of-war.