科学家试图发射一个气球到金星。

Scientists tried to send a balloon to Venus.

那里的气候适合全年发射火箭。

Its climate was ideal for year-round rocket launching.

据报道，今年中国又发射了一颗卫星。

It is reported that another satellite has been sent into orbit in China this year.

这种新武器被称为远程定向声波发射器。

This new weapon is called a Long Range Acoustic Device (LRAD, 远程定向声波发射器).

向火星发射一艘载人飞船。

Launch a manned spacecraft to Mars.

第一艘载人宇宙飞船是在1961年发射升空的。

The first spacecraft with a human was sent up into space in 1961.

这次发射表明我国已经完成了我们最大的天基系统。

The launch showed our country has completed our largest space-based system.

宇宙中的许多物体是看不见的，但它们会发射无线电波。

Many objects in the universe are invisible, but they send radio waves.

我们冲着熊大喊，使劲打盆子，并向空中发射空猎枪弹。

We yelled at the bear, hit pots hard, and fired blank shotgun shells into the air.

在那之后，每个发射工具必须能够安全落入地球大气层。

Each tool must be built to fall safely into the earth's atmosphere after that time.