Denitrifying
脱硝的, 脱氮的, 反硝化的
🗣️ 情景例句
What time?
什么时候
I never expected him to be so great.
我没有想到他会是那么了不起。
Aunt Harriet lived in that leisurely age when servants were employed to do housework.
哈丽特生活在一个悠闲的年代，家务事都由雇来的佣人代劳。