R.s.a.
[医] 右骶前(胎位)
🗣️ 情景例句
It'll only take a few minutes.
只要几分钟时间。
A good teacher should always avoid embarrassing his students.
一位好的教师无论何时都应该避免使学生感到难堪。
What are you doing?
你在干什么？