Tpf
[医][=thymocyte proliferation factor]胸腺细胞增生因子
🗣️ 情景例句
Keith and I are through.
基思和我已经不再来往了。
I'd like to know something about your foreign trade policy.
我非常想了解有关贵国对外贸易的政策。
Before? After? said the doctor.
“饭前？饭后？”医生说。