Circumgalactic
a. 围绕星系的,环星系旋转的
🗣️ 情景例句
And I'd also like to thank my math teacher
我还要感谢我的数学老师
I knew it!
我就知道！
I think all the changes are easy to see.
我想所有修改过的地方都很容易看出来吧