Vfa
[医][=volatile fatty acid]挥发性脂肪酸
🗣️ 情景例句
Aren't you going to the aerobics class this morning?
今天上午你不是去上有氧运动课吗？
Playing with fire!
找死！
But which language is the most widely spoken in the world?
但是世界上哪种语言运用最广泛？