Pyroxyline
n. 硝酸纤维素;绵火药
✅ 同义词
🗣️ 情景例句
You don't know me.
你不认识我。
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。
We have some cheaper ones.
我们有便宜一点的。