Vfa
[医][=volatile fatty acid]挥发性脂肪酸
🗣️ 情景例句
So good to see you all!
看到你们大家真高兴！
Those who climb high often have a fall.
爬得高往往跌得重。
Hmm! I think I can mend it. But I want a knife. Do you have a knife?
我想我可以，但需要一个小刀，你有吗？