Sbf
[医][=serologic-blocking factor]血清封闭因子，血清阻断因子
🗣️ 情景例句
Remember our first fishing trip?
还记得我们第一次去钓鱼吗？
By the street of Bye and bye one arrives at the house of Never.
迁延因循，一事无成。
But, in addition to that basically simple concept,
除了这一基本的简单的概念外，