Sbf
[医][=serologic-blocking factor]血清封闭因子，血清阻断因子
🗣️ 情景例句
He's going up the ladder pretty quickly.
他真是平步青云。
You don't have to pay any duty on personal belongings.
你不必在个人财产上付任何税。
Oh yes! I know she quite often eats chicken at home.
噢，对了！我知道她在家里常吃鸡肉。