Subnitrate
n. [化]碱式硝酸盐
🗣️ 情景例句
I know so.
我确定知道是这样。
It is right to put everything in its proper use.
凡事都应该用得其所。
These satellites go round the earth and help us to learn more about the earth, the weather and other things.
这些卫星绕着地球转，帮助我们更好地了解地球、天气和其他情况。