P.u.o.
[医] 未知热(发热原因不明)
🗣️ 情景例句
Americans consider it extremely bad manners to be late.
美国人认为迟到是一种极不礼貌的做法。
Slow as molasses.
慢吞吞的！
You work for the Overseas Engineering Company, don't you?
你在海外工程公司上班，是吗？