下一楼›：适当让大脑休息一下，对我们工作或学习很重要。(木头娃娃)
‹上一楼：jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj ..(niuhuantu)