Nitrification
n. 氮化合, 氮饱和, 硝化作用\\n[化] 硝酸化作用
🗣️ 情景例句
Blackjack.
二十一点！
His career opportunities suddenly looked brighter.
他似乎突然又有希望飞黄腾达了。
Thank you very much.
非常谢谢你。