Sbf
[医][=serologic-blocking factor]血清封闭因子，血清阻断因子
🗣️ 情景例句
Where are you going, Philip?
你上哪去 Philip？
Please take your time.
请慢慢来。
He looked pale and his clothes were in a frightful state.
他面色苍白，衣服也搞得不成样子。