N a US space station launched in May 1973 into an orbit inclined at 50° to the equatorial plane at a mean altitude of 430 kilometres (270 miles), the astronauts working there under conditions of zero gravity. It disintegrated, unmanned, in 1979, with some parts landing in the outback of Australia 太空实验室; 美国于1973年发射
At about the same time, the United States had its own space station, called Skylab.
大约在同一时间,美国有了自己的空间站,叫做天空实验室号。
The US space station Skylab came back partially uncontrolled in 1979. Parts of the station fell in western Australia, but no one was hurt.
1979年,美国空间站“天空实验室”在返回时部分失控。部分空间站坠落在澳大利亚西部,但没有人受伤。
The task of eating in space got a big boost in Skylab.
在太空中吃饭这一任务到“天空实验室”时有了很大进步。
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