Scientists Solve Mystery of Chameleon Eyes 科学家们解决变色龙眼睛的奥秘 Chameleons can move their eyes in different directions, and most scientists thought that meant that each eye worked independently from the other. Scientists in Isra

发表于:2018-12-08 / 阅读(61) / 评论(0) 分类 VOA标准英语2015年(十月)

The Habitable Zone 宇宙生命奥秘 适居带(HZ)是天文学上给一种空间的名称,指的是那里的情况有利于生物的存在,或许可以发现像地球这样的生命体。有两种区域是有可能的,一个是在行星系内,

发表于:2019-02-24 / 阅读(187) / 评论(0) 分类 英语听力文摘 English Digest

How Do You Make A Diet-Coke Float? 你能让无糖可乐浮起来吗? Heres an at-home experiment you can try. Take a can of classic Coca-Cola and a can of Diet Coke, and without opening either one submerge them in water. A deep sink or a bucket wi

发表于:2019-02-24 / 阅读(68) / 评论(0) 分类 英语听力文摘 English Digest