🗣️ 情景例句
Attending school is compulsory in this country.
这国家衽的是义务教育。
Didn't I tell you before?
我不是告诉过你吗？
(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，