Circumgalactic
a. 围绕星系的,环星系旋转的
🗣️ 情景例句
You know him?
你认识他吗？
Do you understand?
你明白了吗？
We'll leave some evenings free,that is,if it is all right with you.
如果你们愿意的话，我们想留几个晚上供你们自由支配。