Stf
[医][=serum thymus factor]血清胸腺因子
🗣️ 情景例句
and then we'll figure out what to do today.
然后我们再决定今天做些什么。
What do you do?
你是做什么的？
When I returned form abroad recently, a particularly officious young Customs Officer clearly regarded me as a smuggler.
最近一次，我也出国归来，碰上一位特别好管闲事的年轻海关官员，他显然把我当成走私犯。