Exocervix
外宫颈
🗣️ 情景例句
and he can answer any questions.
他也可以回答任何问题。
He's studying his lesson.
他正在学习课程。
On the third lap, the Class 3 and Class 1 runners both ran very fast.
在跑第三圈时，3班和1班的运动员都跑得非常快。