在绕轨道飞行时，她在太空中进行了我们国家的首次授课。 这 是中国航行史上的一个突破。
While orbiting, she delivered our country's first?ever video lecturein space, which was a breakthrough in China space history.
最后结果在佛罗里达州宣布，日期是第一次航天飞机飞行30周年以及苏联宇航员尤里·加加林成为绕地球轨道飞行第一人50周年纪念日。
The announcement in Florida came on the 30th anniversary of the first space shuttle flight and on the 50th anniversary of Soviet cosmonaut Yuri Gagarin becoming the first human to orbit the earth.
(美国)宇航局称，NASA的一个航天器开始绕水星轨道航行，成为第一个环绕太阳系最内侧行星飞行的航天器。
A NASA spacecraft began orbiting Mercury, becoming the first to fly around the solar system's innermost planet, the space agency said.
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