| 单词 | Dusts,Cosmic | 
| 释义 | Dusts,Cosmic《英文msh词典》Dusts,Cosmic [入口词] Dusts,Cosmic [主题词] Cosmic Dust [英文释义] Finely divided solid matter with particle sizes smaller than a micrometeorite,thus with diameters much smaller than a millimeter,moving in interplanetary space. (NASA Thesaurus,1994)  | 
	
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