S.t.u.
[医] 皮肤试验单位
🗣️ 情景例句
Have a nice stay.
希望你们住得愉快。
I'm glad to, but I'm afraid I don't have the time.
我很乐意，但我恐怕没时间。
The man was ordered to pay $3,500 for the cost of the trip.
此人被责令交付旅费3，500英镑，