Rns
[医][=reference normal serum]参考正常血清
🗣️ 情景例句
The school has a good reputation.
这所学校名誉很好。
May I speak to Mr. Johnson, please?
我想请约翰先生听电话好吗？
Which do you prefer, horse riding or shooting?
你比较喜欢哪一种呢，骑马还是射击？