Why Can We Hear the Sound of the Ocean in a Shell? 贝壳传来海洋之音? Most children have probably wondered at the noise of roaring ocean waves magically captured inside seashells held up to their ears. According to popular belief, anyone luc

发表于:2019-01-02 / 阅读(31) / 评论(0) 分类 双语有声阅读

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. When we think about how to represent sound visually, most of us probably picture those volume-dependent sine waves. But thats not how John Stuart Reid

发表于:2019-01-08 / 阅读(58) / 评论(0) 分类 Scientific American(一)月

Going Deaf, Sound Expert Races to Finish His Life's Work Higher stakes For Hempton, it started with an experience familiar to many people, having to keep asking, What? What did you say? Then the stakes got higher. I was laying in bed in the springtim

发表于:2019-01-14 / 阅读(32) / 评论(0) 分类 VOA标准英语2013年(六月)

AUDIE CORNISH, HOST: This year, another inventor, Edouard-Leon Scott de Martinville, would have turned 200 years old. If you're wondering who, he's the Frenchman who beat Thomas Edison in the first recording of sound. Edison's New Jersey lab recently

发表于:2019-01-17 / 阅读(40) / 评论(0) 分类 2017年NPR美国国家公共电台5月

Yes这个词,再简单不过。但是不同的情况下,还得学会用不同的方法说yes。这样才能恰当表达你的情绪、语气。今天,Jenny, Adam就教你近10种最常用的不同方法说yes。 关键词: 1.Yeah 美国人最爱

发表于:2019-02-22 / 阅读(37) / 评论(0) 分类 美国文化脱口秀

为何大家都爱听老歌 It is a familiar complaint from those of a certain age: todays pop music is louder and all the songs sound the same. It turns out they are right. 年龄稍长的人都抱怨说:现在的流行音乐声音大,而且所有

发表于:2019-02-25 / 阅读(39) / 评论(0) 分类 阅读空间