Nitrourethane
[化] 硝氨基甲酸乙酯
🗣️ 情景例句
Richard, this is Mitchell Johnson.
Richard，这是Mitchell Johnson。
It's cloudy this afternoon.
今天下午云很多。
Summer holidays will begin next month.What are you going to do?
下个月暑假就开始了。你有什么打算？