Nitrification
n. 氮化合, 氮饱和, 硝化作用\\n[化] 硝酸化作用
🗣️ 情景例句
Thanks, Mrs. Martinelli.
谢谢 ，Martinelli太太。
It is more blessed to give than to receive.
施恩比受惠更有福。
She finished it at half past nine. She went to bed before a quarter to ten.
30 她完成了作业。她9：45之前上床睡觉。