An astronaut did some massive house cleaning at the international space station on Monday, tossing out a camera mounting and an ammonia tank weighing more than half a ton.
An astronaut did some massive house cleaning at the international space station on Monday, tossing out a camera mounting and an ammonia tank weighing more than half a ton.
宇航员在国际空间站里进行了一次大扫除，空间站是干净了，然而被处理的垃圾却影响了周边的宇宙环境。