Sbf
[医][=serologic-blocking factor]血清封闭因子，血清阻断因子
🗣️ 情景例句
I could probably tell what it requires to fix it up.
我大致能说出修复它需要些什么。
Yes. Please do.
好，请说。
Chen Wei returns a few moments later.
片刻之后，陈伟回来了。