你是否遇到过这种情况:你从同学那里借到一本小说,讲好两天后还他,晚上做好作业后,坐到床上看到深夜,不住地打哈欠,勉强看下去,可是到了第二天,你再也回忆不起书上那些具体情节。这说明昨天大脑累了,它不再帮你记忆。还有,如果你连续几天温习功课,到后来什么都很难记住了。这时 Have you encountered this kind of situation: You borrowed a novel from your classmates, talked about him after two days, did your homework in the evening, sat in bed and saw the night, and yawned and barely looked, but it was. The next day, you can no longer remember the specific circumstances of the book. This shows yesterday that the brain is tired and it no longer helps you remember. Also, if you study homework for several days, it’s hard to remember anything later. At this time