硝酸鉀怎樣記? 噩夢夜間至，硝石致消失，囂張又混淆，消釋難解釋

硝酸鉀怎樣記?  I found out a way by Chinese character and by a new way of hand gesture, but also one can divide it as salt + Peter

噩夢夜間至，硝石致消失，囂張又混淆，消釋難解釋 

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