Nitrourethane
[化] 硝氨基甲酸乙酯
🗣️ 情景例句
What do you do when you are not working?
工作之余你有什么消遣活动？
Don't forget to invite him.
不要忘记邀请他。
No, I don't think we have been.
不，我想没有。