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; 諸如人造衛星的物躰，來自太空站的廢棄物，特指用完後還在太空中的那些
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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; 諸如人造衛星的物躰，來自太空站的廢棄物，特指用完後還在太空中的那些