微信搜索点学英语,使用微信小程序,阅读功能更强大!
(注:我们只有小程序,没有APP。)
第五十一篇: 多彩的世界 The Colorful World | 初中英语1600词汇故事
1 / 1
The world around us is full of colors: the grass is green, the sky is blue. What a pity it will be if people can not see all the colors. But there are people who are blind to certain colors.
查看中文翻译
Human color blindness is a strange thing to explain. In a single eye there are millions of very small things called "cones". They help us to see in bright light and to tell the difference between colors. There are also millions of "rods" but they are used for seeing when it is nearly dark. They show us shape but not the color.
查看中文翻译
 
>> 网页版功能未完善,完整内容,请使用微信小程序。
第五十一篇: 多彩的世界 The Colorful World
微信扫一扫,或者在微信中搜索【点学英语】