Nitrification
n. 氮化合, 氮饱和, 硝化作用\\n[化] 硝酸化作用
🗣️ 情景例句
It's a perfect day for a walk.
这可是一个散步的好天气。
The first step is as good as half over.
第一步的成功等于事情的一半已完成。
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。