Hitec
硝酸钾、硝酸钠、亚硝酸混合物
🗣️ 情景例句
When do we eat?
我们什么时候吃？
I hadn't planned on swimming across the whole lake.
我可从没计划要游过整个湖。
We have got quite used to them.
对这些，我们已经司空见惯了。