Make ink red white out "The Scarlet Letter" on paper; That red ink is dript in Shui Li water has become red , these phenomenon has explained that: (1)- - - - - - - - - (, (2)- - - - - - - - - -
您的位置:凡人谷知道>教/
>
技术>红墨
在纸
写出红字;把红墨
滴在
里
变成红色,这些现象说
了:(1)---------,(2)----------