Sbf
[医][=serologic-blocking factor]血清封闭因子，血清阻断因子
🗣️ 情景例句
I'm too sick to even get out of bed.
我病得都下不了床了。
There is a phone booth in the corner.
在转角处有个电话亭。
Hello. Is that Rik?
喂，是瑞克吗？