问题的产生星期天的上午,奶奶晾完衣服问我:“雯雯,你说说这两件衣服哪一件先干呢?”我仔细观察两件衬衣,一件是白色的,薄薄的;一件是黑色的,比白衬衣厚很多。我自信地说:“当然是白衬衣先干了。”下午三点多钟,我发现黑衬衣已经干了,白衬 The problem arises Sunday morning, my grandmother hanging clothes asked me: “Wenwen, you talk about these two clothes which one to dry first? ” I carefully observed two shirts, one is white, thin One is black, much thicker than a white shirt. I confidently said: “Of course, the first white shirt dry. ” Afternoon more than three o’clock, I found the black shirt has been dry, white lining