Fif
[医][=feedback inhibition factor]反馈抑制因子
🗣️ 情景例句
My favorite non-work activity is …
我业余时间最喜欢做的就是跳舞。
What do you think will be a fair price for your product?
你认为你们产品的价格公平吗？
That's right. I'm travelling round the country.
对。我在周游全国各地。