P.u.o.
[医] 未知热(发热原因不明)
🗣️ 情景例句
Everyone gets a turn, going counterclockwise,
每一个人按逆时针方向，
I really care for the students in my class.
我真喜欢人班上的学生。
Why?what happened.
为什么？怎么啦？