Sbf
[医][=serologic-blocking factor]血清封闭因子，血清阻断因子
🗣️ 情景例句
I'm sick of waiting around like this.
我对这样干等着感到厌烦。
Score twice before you cut once.
三思而行。
This was followed, at the end of the 1970s, by a machine called an Apple.
70年代末，在牛郎星之后又出现了一种被称为“苹果”的机型。