Mrf
abbr. magnetic resonance bloodflow scanning 磁共振血流量计; maintenance replacement factor 维修更换因素; marble floor 大理石地面
🗣️ 情景例句
I'd like to check this book out.
我想借这本书。
What alternatives do I have?
我有什么选择？
Yes, that's right.
是的，没错。