Scfa
[医][=short-chain fatty acid]短链脂肪酸
🗣️ 情景例句
Twenty-one inches.
二十一英尺。
All right.
好吧。
He's only forty-one years old, and he has already been to nearly every country in the world.
他只有41岁，但他却过世界上几乎每一个国家。