Dinitrate
二硝酸盐
🗣️ 情景例句
And in this family.
也在这个家 。
We'll be on time,won't we?
我们将按时到，是吗？
They devise hundreds of competitions which will enable us to win huge sums of money.
他们设计数以百计的竞赛，竞赛中有人可赢得巨额奖金。