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Lesson 17 Juvenile Delinquency Text A Jennifer got off the bus from the university and began walking towards the flat she shared with two other students. On her way she had to buy some food and stoppe
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Idiom: Make or break ( something critical ) Hit the book: Marine Organism Coral polyps Calcium Limestone Attach to Weird Coral reef
趣味青春英语
By Melinda Smith Washington 24 July 2007 President Bush recently (Saturday, July 21) had five small growths removed from his colon. The growths, or polyps, were found during a routine colon cancer scan. The growths were small and turned out to be ben
2007年VOA标准英语（七月）
Study Finds Removing Polyps Saves Lives Colon cancer normally starts with growths called polyps inside the intestine. Previous studies have shown that removing polyps can prevent colon cancer from developing. The new study, published in the New Engla
VOA标准英语2012年(二月)
By Melinda Smith Washington, D.C. 07 June 2007 For years, doctors urged women to take folic acid if they planned to get pregnant. Then researchers discovered the nutrient helped reduce the risk of a heart attack. But now a new study shows folic acid
2007年VOA标准英语（六月）
In the zoophyte branch, class Alcyonaria, one finds the order Gorgonaria, which contains three groups: sea fans, isidian polyps, and coral polyps. 在植虫动物门、翡翠纲中，有矾花这一目，这一目包含矾花、木贼和珊瑚三科。
《海底两万里》中英双语有声读物