Hrf
abbr. human rheumatoid factor 人类风湿因子
🗣️ 情景例句
I do some work for Smith and Dale,Your company's accounting firm.
我为贵公司的会计顾问公司 Smith和Dale事务所里做一些工作。
Do not despise your enemy.
万勿轻敌。
But instruments far more delicate than that were needed if any really serious advance was to be made.
但是，如果要取得真正重大的进展，需要有比这种装置精细得多的仪器。