Rns
[医][=reference normal serum]参考正常血清
🗣️ 情景例句
You tried calling the number on the collar?
你照狗脖子上项圈的电话号码打过电话了吗？
He went pale at the news.
听到消息，他脸色发白。
Yes, I do. Is it ready now?
是的，我想取回电视。现在修好了吗？