Hrf
abbr. human rheumatoid factor 人类风湿因子
🗣️ 情景例句
All right. OK.
好吧。行了。
Absence sharpens love, presence strengthens it.
相聚爱益切，离别情更深。
This decline in vigour with the passing of time is called ageing.
生命力随时间的流失而衰退叫做衰老。