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>教育/科学>科学技术>墨在纸上字;把墨滴在里色,这些现象说明了:(1)---------,(2)----------