S.t.u.
[医] 皮肤试验单位
🗣️ 情景例句
Well, I had a really nice time.
嗯 我玩得很开心。
I did composition last month.
我上个月做作文。
I just got an answer about the stock we have on hand.
我刚刚接获通知我们现有库存量。