Sbf
[医][=serologic-blocking factor]血清封闭因子，血清阻断因子
🗣️ 情景例句
Good morning, sir. May I help you?
早安，先生。能为您服务吗？
Every dog is a lion at home.
夜郎自大。
It has four Rolls-Royce Merlin engines, but the group will need to have only three of them rebuilt.
该飞机装装配有4台罗尔斯-罗伊斯的默林发动机，但是他们只需要修复其中的3台。