Hitec
硝酸钾、硝酸钠、亚硝酸混合物
🗣️ 情景例句
when Molly gave him the injection.
Molly给他打针时。
If you're hungry, we can eat dinner now.
如果你饿了，我们现在就去吃饭。
Nearly all the sports practised nowadays are competitive.
现在开展的体育运动几乎都是竞争性的。