高纯度锗侦检器

By Brian Padden Washington 16 June 2008 The upcoming Olympic Games in Beijing will feature over 300 sporting events. While many events like swimming and basketball are dominated by professional athletes, the games still showcase amateur athletes. Th

发表于:2018-12-16 / 阅读(35) / 评论(0) 分类 VOA标准英语2008年(六月)

It might be the cheeks flushing with embarrassment or a voice choking with emotion. Our physical reactions can reveal what we truly feel. And some think they can show when someone's lying. Typically when a person tells a lie, they begin to sweat. I'

发表于:2018-12-30 / 阅读(130) / 评论(0) 分类 国家地理2008年

Knock, knock. Mr Matthews? What a surprise! Where're your parents? They didn't bring me. I took the bus. Actually they don't even know I'm here. I've brought you a germanium. Geranium. Didn't I say germanium? Yes, you did. In fact, germanium is a che

发表于:2019-01-02 / 阅读(119) / 评论(0) 分类 听美剧学英语-《淘小子看世界》

One of the most popular tools on Apple's new iPhone X is its facial recognition system. This latest iPhone gives users the power to open the device just by looking at it. The smartphone has performed well in tests set up to trick it into opening for

发表于:2019-01-03 / 阅读(48) / 评论(0) 分类 2017年VOA慢速英语(十一)月

Colombian Designers Develop Landmine-defeating Shoe 哥伦比亚设计师开发地雷探测鞋垫 Landmines are one of the more controversial weapons of war. Hidden from sight, they maim and kill and remain long after conflicts end. According to the

发表于:2019-01-14 / 阅读(54) / 评论(0) 分类 VOA标准英语2014年(二月)

歌学英语:来自孩子的质问:为什么!Tell Me Why 迪克兰加尔布雷斯(于1991年12月19日出生)的英国的歌手。一位堪称歌唱奇才的少年迪克兰加尔布雷斯,被英国媒体推崇为终生难得一见的歌唱奇才

发表于:2019-02-26 / 阅读(93) / 评论(0) 分类 听歌学英语
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