Denitrifies
vt. 脱氮；除去氮素
🗣️ 情景例句
I understand.
我了解。
My watch is fast and your watch is slow.
我的表快，而你的表慢。
These friendly dogs, which were first brought from Asia, were used as watchdogs even in Roman times.
那些最先从亚洲引进的狗，待人友好，早在罗马时代就给人当看门狗了。