Hitec
硝酸钾、硝酸钠、亚硝酸混合物
🗣️ 情景例句
Do you want to play?
你们想玩吗
My pleasure.
不客气。
This was more than we could bear, so we decided to spend our last day exploring the countryside.
人多得使我们难以忍受，于是我们决定利用最后一天去乡间一游。