Hrf
abbr. human rheumatoid factor 人类风湿因子
🗣️ 情景例句
They're the ones.
找他们没错。
We have agreed on all terms in the contract. Shall we sign it next week?
我们对合同各项条款全无异议，下周签合同如何？
I'm very sorry, but I can't come.
但很抱歉，我不能来。