It makes for a full day. "You're so tired you fall asleep as soon as your head hits the pillow, and you're so tanned you don't even recognize yourself," one senior coed recalls.
每天琢磨下來，「累得倒頭就睡，皮膚曬得黝黑，都快認不得自己了」，一位四年級的女同學回憶道。