Rns
[医][=reference normal serum]参考正常血清
🗣️ 情景例句
I could work out in your class with no problem.
如果我去你的班上做运动， 一定不会觉得有问题。
Enjoy you meal.
请慢慢享用吧。
Will you come through to the back, please?
请跟我到后面去。……你何不试试这套呢？