当我们看到其他人失败，有时候大脑的背纹状体会产生一种化学物质使我们感到愉快。
When we see others fall, it sometimes causes a chemical to be released in the dorsal striatum of the brain, which actually causes us to feel pleasure.
科学家并不知道是什么导致丙烯酰胺的形成，但是他们相信它是在烘焙、油煎、烧烤或烘烤过程中产生的一种化学物质。
Scientists do not know what causes acrylamide to form but they believe it occurs as a result of a chemical process during baking, frying, or grilling.
他用来清洁仪器的化学物质与他在实验中使用的化学物质混合在一起，产生了一种亮紫色。
The chemicals he used to clean his instruments mixed with the chemicals he used in his experiment and produced a bright purple color.
应用推荐