Also you can filter images by width, height, type.
同时，你还可以通过长宽，类型来设置过滤下载你想要的。
2
Type into the member function Main a few lines of code to create an instance of Quad and then assert that when the object Area method is given a length of 3 and width of 2, it returns the value 6.
If the object grows any larger than the width shown above, due to differing text or type size changes, the images will get pulled apart, creating an ugly gap.