Diazotizing
重氮化(作用)
🗣️ 情景例句
Want to hear them?
你想听听吗？
The problem has been bothering me for weeks.
那个问题已经困扰了我几个星期。
I wrote: Best wishes for Teachers' Day!
我写道：“谨致以教师节的良好祝愿！”