到目前为止，包括前四颗测试卫星在内的59颗卫星已经在西昌发射成功。

So far, 59 satellites, including the first four test ones, have been launched from Xichang.

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今天我国第一架载人航天飞机发射成功。

This morning China launched the first manned spacecraft.

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当我告诉他们发射成功并接受到了信号后，可真是轻松了不少。

There'll be a lot of relief when we acquire that signal [after launch], I can tell you.

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