Sbf
[医][=serologic-blocking factor]血清封闭因子，血清阻断因子
🗣️ 情景例句
I appreciate your consideration.
我很感激你的体贴。
I told him to come in while waiting.
我告诉他进来等一下。
I'm afraid I don't have it any more. I sold it last week.
我恐怕是没有了，上星期我把它卖掉了。