This special edition of our show dives into an ocean of plastic, masses of waste accumulating on and around some remote islands in the Pacific. Synthetic plastic, the kind made by people, has been around since 1907, and scientists estimate that almos

发表于:2018-12-02 / 阅读(75) / 评论(0) 分类 CNN美国有线新闻2017年12月

Wheels whirred and gears clicked as the swarm of bicyclists pedaled along the swooping road that led out of the park. The early morning sun danced over the riders. Violet and Soo Lee spun along the road side by side. As they reached the entrance to t

发表于:2018-12-06 / 阅读(35) / 评论(0) 分类 76 The Great Bicycle Race Myst

ARI SHAPIRO, HOST: More than a third of the Navajo Nation lacks running water. And in some of the places with running water, people don't want to drink it. They say it smells, tastes funny and looks bad. Laurel Morales of member station KJZZ has more

发表于:2019-01-17 / 阅读(36) / 评论(0) 分类 2017年NPR美国国家公共电台4月

Lesson 11 THE AIR WE BREATHE 第11课 我们呼吸的空气 Have you any empty cups, or jugs, or bottles in your house? No, not one. You may have many which you call empty, but they are really all full of air. 小朋友, 你家里有空杯子、空水壶

发表于:2019-01-17 / 阅读(29) / 评论(0) 分类 英国学生科学读本

A few minutes after, a Bricklayer passed by, carrying a pail full of plaster on his shoulder. 过了几分钟,街上又走过一个泥水匠,肩上扛着一桶灰泥。 Good man, will you be kind enough to give a penny to a poor boy who is yawnin

发表于:2019-01-29 / 阅读(23) / 评论(0) 分类 木偶奇遇记

What has become of the water? Dry clay is full of tiny pores, and it has sucked up the water into its pores. 水上哪儿去了?干燥的粘土满是细小的孔洞,把水都吸到孔洞里去了。 Now let us mould our lump of soft clay into the

发表于:2019-02-13 / 阅读(47) / 评论(0) 分类 英国学生科学读本