Hrf
abbr. human rheumatoid factor 人类风湿因子
🗣️ 情景例句
Robbie, would you bring the dessert plates.
Robbie，你把甜点盘子拿来好吗？
Quietness is best.
宁静最好。
I was very tired this morning. I couldn't get up.
我早上很累，起不来。