Scfa
[医][=short-chain fatty acid]短链脂肪酸
🗣️ 情景例句
Sorry, I've already got plans.
对不起， 我有事。
It's an honor to be speaking to you today.
今天跟你们说话至感荣幸。
Later, by about two weeks.
延迟，大概二个星期。