Rns
[医][=reference normal serum]参考正常血清
🗣️ 情景例句
I'm ready to check out now.
我准备好要结账。
I can see the brown wall of dust coming toward us with the wind.
风卷起褐色的墙壁似的滚滚黄沙，向这里袭来。
Congratulations on you success.
祝贺你的成功。