Nitropowder
[化]硝化火药
🗣️ 情景例句
You won't believe this,
简直不会相信，
First of all, I want to thank you all for coming to this party.
首先，我人感谢各位出度这次晚会。
This immense chasm has been formed by an underground stream which has tunneled a course through a flaw in the rocks.
这个深邃的洞穴是由一条地下暗泉冲刷岩石中的缝隙并使之慢慢变大而形成的。