Usea nitrogen
[医] 脲氮, 尿素氮
🧩 词语组成解析
[医] 脲, 尿素
🗣️ 情景例句
Well, that's what fathers are for.
嗯，父亲们的用处正在于此。
No one can match us so far as quality is concerned.
就质量而言，没有任何厂家能和我们相比。
The dish rose to the surface and was gently drawn towards the canal bank.
盘子慢慢浮出水面，被轻轻地拽向运河岸边。