Dinitrate
二硝酸盐
🗣️ 情景例句
We have closely connected with firms in USA.
我们同美国有良好的业务关系。
He would direct the workman to use his plans.
他为了执行自己的计划，给员工下了指示。
Well done! You are always doing a good job!
干得不错！你总是干得很出色！