Fif
[医][=feedback inhibition factor]反馈抑制因子
🗣️ 情景例句
I did make a difference in town.
我确实在镇上发挥了影响力。
The news has bucked us up.
这消息使我们欢欣鼓舞。
How long have you been here?
你在这里多久了？