Phosphonitrogen
磷氮肥
🗣️ 情景例句
Get to the heart of the matter.
请讲问题的实质。
Do you want to remit the money by air mail or by cable, sir?
您想要航空信还是电汇，先生？
I think we may be able to work together in the future.
我想也许将来我们可以合作。