Sbf
[医][=serologic-blocking factor]血清封闭因子，血清阻断因子
🗣️ 情景例句
Yes, what can I do for you?
是的，我能为您效劳吗？
He is wise that is honest.
诚实者明智。
How long will your offer hold good?
一般你们报价的有效期是多长？