Hitec
硝酸钾、硝酸钠、亚硝酸混合物
🗣️ 情景例句
It's nice meeting you.
很高兴认识你。
I don't believe it.
我才不信咧！
Though Mr.Thompson had turned the lights off before he went to bed, they were on in the morning.
虽然汤普森临睡觉时把灯关了，但早晨灯却都亮着。