Pnu
[医][=protein nitrogen unit]蛋白氮单位
🗣️ 情景例句
What's the spelling of your family name, sir?
您的姓怎么拼，先生？
Because of the type of purchase, we can only ship by road.
由于商品的性质，我方只能使用公路运输。
Don't thank me, said Miss Yang. We must both thank Lucy!
“不用谢我，”杨小姐说，“我俩都得谢谢露茜！”