Paracentric
同臂内的
🗣️ 情景例句
I'm worried about you and Mom.
我很担心你和妈妈。
This is my second trip to the United States, and I really enjoy staying here.
这是我第二次美国之行，我很喜欢这里。
(A light year is the distance which light travels at 186,000 miles per second in one year,
一光年是光以每秒186，000英里的速度在一年内走的距离，