space junk
柯林斯词典
1. N objects such as artificial satellites, material discarded from space stations, etc that remain in space after use 太空垃圾; 诸如人造卫星的物体，来自太空站的废弃物，特指用完后还在太空中的那些
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1. N objects such as artificial satellites, material discarded from space stations, etc that remain in space after use 太空垃圾; 诸如人造卫星的物体，来自太空站的废弃物，特指用完后还在太空中的那些