Rcf
[医][=red cell filterability]红细胞可滤性
🗣️ 情景例句
I'm sorry, Mom.
我很难过， 妈妈。
High-heeled shoes
高跟鞋
But there was no time to think.All her other friends were now outside the door.
但来不及去想了。其余的朋友现在也全都到门外了。