What is a pictograph? 什么是图画文字？

A pictograph is a picture that means a word. 图画文字是代表文字的图形。

Where and when do people use pictographs? 人们会在什么时间，什么地点使用图画文字？

Traffic signs on streets or restroom signs are pictographs. 街上的交通标志和洗手间的标志是图画文字。

However, pictographs in mathematics are different. 然而，数学中的图画文字又有所不同。

In math, a pictograph is a kind of graph. 数学中，图画文字是一种图表。

It uses pictures to show numbers. 它用图片来表示数字。

For example, if there are pictures of 2 books on the graph. 例如，如果图表上有两本书的图片。

You can say he bought 2 books. 你就可以说他就买了两本书。

It is very easy and quick for people to read a pictograph. 人们能轻松快速地看懂图画文字。

Therefore, pictographs are useful when teachers teach young students. 因此，老师给小学生上课时，图画文字的用处很大。