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单词 cosmic-dust
释义

cos·mic dust

noun
/ˌkɒzmɪk ˈdʌst/
/ˌkɑːzmɪk ˈdʌst/
[uncountable] (astronomy)
  1. very small pieces of matter floating in space宇宙尘Topics Spacec2
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更新时间:2025/8/5 9:00:33