Fif
[医][=feedback inhibition factor]反馈抑制因子
🗣️ 情景例句
You would be well-advised to stay at home tonight.
你今晚还是呆在家里为妙。
Don't believe a word he says.
他的话不可信。
Without it we could not make a living.
要是没有这条河，我们就无法生存下去。