Nitrogenization
[医] 氮化[作用], 充氮[作用]
🗣️ 情景例句
(looking at his calendar) Oh, next Friday is May 4th.
（正在看着日历）哦，下周五是五月四号了。
Quietness is best.
宁静最好。
I find listening really hard. Sometimes it's just impossible to understand.
我觉得听力很难。有时简直听不懂。