相信大家都曾在工作、学习中接触过各种样式的图表，很多英语水平测试也会要求考生针对不同类型的表格、示意图来回答相应的问题。单词“table、diagram、graph”和“chart”都含有“图表”的意思，它们之间有哪些不同？每一类图表的用途分别是什么？本集《你 ...

Still using an old science textbook? It's time to get a new one then, after four new super-heavy elements were added to the periodic table recently. The International Union of Pure and Applied ...

Freelance writer Amanda C. Kooser covers gadgets and tech news with a twist for CNET. When not wallowing in weird gear and iPad apps for cats, she can be found tinkering with her 1956 DeSoto. This is ...