柯斯林高阶词典 告诉你答案:. chart: A chart is a diagram, picture, or graph which is intended to make information easier to understand. 意思是chart可以是diagram,可以是picture也可以是graph。. diagram: A diagram is a simple drawing which consists mainly of lines and is used, for example, to explain how a machine works ... More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.