Circumgalactic
a. 围绕星系的,环星系旋转的
🗣️ 情景例句
Maybe I could borrow some money from you and Dad.
也许你和爸爸可以借我一点钱。
You look very serious about something.
你似乎有很严重的事。
In this part of the cave, they could hear an insistent booming sound which they found was caused by a small waterspout shooting down into a pool from the roof of the cave.
在这儿，他们可以听见一种连续不断的轰鸣声。后来他们发现这是由山洞顶部的一个小孔里喷出的水柱跌落到水潭中发出的声音。