NGC 66造句怎么写
- 造句
- 关注:3.22W次
NGC 660的环比盘更为宽广,直径大约为40000光年。
Broader than the disk, NGC 660's ring spans about 40, 000 light-years.
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NGC 660的环比盘更为宽广,直径大约为40000光年。
Broader than the disk, NGC 660's ring spans about 40, 000 light-years.