The International Space Station is a large, inhabited Earth satellite that more than 15 nations are building in space.
国际空间站是由超过15个国家在太空组建的一颗大型载人地球卫星。
It destroyed an errant spy satellite that still had a full load of a toxic propellant called hydrazine, and was in danger of spilling it over an inhabited area when it re-entered the atmosphere.
其上仍然含有大量的被称作肼的有毒推进燃料。并且这颗卫星如果重新进入大气层，将有可能将肼扩散到居民区。
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