Usea nitrogen
[医] 脲氮, 尿素氮
🧩 词语组成解析
[医] 脲, 尿素
🗣️ 情景例句
Don't tell any one,
别告诉别人，
A heavy purse makes a light heart.
腰包钱财足，心境自然宽。
I want you to look at this material.
我要你看看这材料！