Nitrocarbonitrate
硝基碳酸硝酸复合物
🗣️ 情景例句
I've got a terrible headache and I feel really sick today.
我头疼得厉害，今天觉得很恶心。
No problem.
没问题。
Excuse me. How can I get to Bear Country?
对不起，到熊国怎么走？