Warning: file_put_contents(/www/wwwroot/zidian/biehu.cn/cache/d7062ff1cda16c92606fe1e48a85f95d.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/biehu.cn/index.php on line 58 cosmic dust英英字典_cosmic dust剑桥英语解释_cosmic dust柯林斯英文解释_甲百匯小鸡词典
1. N fine particles of solid matter occurring throughout interstellar space and often collecting into clouds of extremely low density 宇宙塵埃→see also nebula