Nitrogen degradation
[化] 氮降解; 土壤中氮降解
🧩 词语组成解析
🗣️ 情景例句
She was playing with the idea of studying abroad.
她有出国留学的念头，但并非很认真。
Aaugh, help.
哇，救人啊。
We've been anxious about you. We were expecting you back much earlier.
我们都为你们着急呢。都盼着你们早点儿回来。