Rns
[医][=reference normal serum]参考正常血清
🗣️ 情景例句
Would you like some pasta?
想来点意大利面食吗？
Nothing comes out of the sack but what was in it.
无风不起浪。
Captain Fawcett has just refused a strange request from a businessman.
弗西特机长刚刚拒绝了一位商人的奇怪要求。