论文部分内容阅读
你知道人类的眼睛里有一个盲点吗?今天我们做了一个小实验!老师发给我们一张白纸,让我们先在纸上竖着画一条8厘米长的线段,接着在线段左边用红色笔画一只愁眉苦脸、看起
Did you know that there was a blind spot in human eyes? Today we did a little experiment! The teacher sent us a piece of white paper. Let’s first paint a piece of paper 8 centimeters in length vertically. Next, Stroke a frown, looks