单词：high purity oxygen
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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
VOA标准英语2008年（六月）
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. It sounds either really crazy, or kind of obvious. But according to new research, pick-up soccer could help homeless men avert the risk of an early dea
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Jungle 热带丛林 Have you ever been to a jungle? 你去过热带丛林吗？ A jungle is an area with high temperatures. 热带丛林地区温度很高。 Also, there is a lot of rain. 那里还会下很多雨。 Usually, rain forests are also cal
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Experts Recommend Screening Newborns for Heart Defects One of the scariest things a new parent can hear is, your baby has a birth defect. But some of the most dangerous birth defects are are invisible ones, such as deformities in the baby's tiny hear
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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
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以字母G开头英语绕口令： Give Mr.Snipa's wife's knife a swipe. 把史立巴先生的太太的刀子抹净 Give papa a cup of proper coffee in a copper coffee cup. 给老爸一杯用铜制咖啡杯装的好咖啡 Gertie's great-grandma grew
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