Sbf
[医][=serologic-blocking factor]血清封闭因子，血清阻断因子
🗣️ 情景例句
I mean, there seems to be something to celebrate all the year round.
我的意思是，好像一年到头都要忙着庆祝似的。
Do you ever go swimming on the weekend?
你曾经在周末去游泳吗？
That would be nice of you.
那太好了！