S.t.u.
[医] 皮肤试验单位
🗣️ 情景例句
If you ask me, it's too early to go home.
如果你问我，（我会说）现在回家还太早。
What is not wisdom is danger.
不智的事是危险的。
After chipping through a wall which was eighteen inches thick, they found that a man had been trapped in the chimney.
他们凿透了18英寸厚的墙壁，发现有个人卡在烟囱里。