Nitrocarbonitrate
硝基碳酸硝酸复合物
🗣️ 情景例句
What are your hobbies?
你有那些爱好？
It was after dark when we got back,and we were all tired.
我们回来时天已经黑了，并且我们都很疲倦。
I'm hungry. I haven't eaten anything since yesterday.
我很饿了，昨天到现在都没吃过东西。