Nitrocompound
硝基化合物
🗣️ 情景例句
I made a lunch date with him and his daughter weeks ago.
几星期前我约好和他以及他女儿共进午餐。
How much is it all together?
一共多少钱？
What is called 'modern civilization' is not the result of a balanced development of all man's nature.
所谓“现代文明”并不是人的天性平衡发展的结果，