If you click on Courseware you will get to this menu, the first of which preferences is Periodic Table.

如果你点击课件，就会来到这个菜单，第一个选择就是周期表。

麻省理工公开课 - 固态化学导论课程节选

You don't have to know French to know this, but here's a menu that they're--this is early in the siege.

不会法语也能看懂,这个食谱是在巴黎被困早期写的

耶鲁公开课 - 1871年后的法国课程节选

Simply by clicking that link you can then log into your account; and then on the left hand side what appears is a little menu of all of your friends who are also using this tool and you can select any one of them and actually see what that person is shopping.

只需轻点鼠标便可进入自己的账户;,页面的左边有一个菜单栏,其中是你所有也在使用这个工具的朋友,你可以选中其中一个,查看ta所选择的课程。

哈佛公开课 - 计算机科学课程节选