A true electrolyte consists of ions in the pure state. 真正的電解質在純態下由離子組成。
Gold is melted over a hot fire and all the dross or impurities come to the surface to be skimmed off, leaving only pure gold behind. 金會在熊熊的烈火中熔化,裡面的一切雜質便會浮到表面,讓人將它除去,留下來的,便是真正的精金。