单词：american code for pressure piping
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AMERICAN MOSAIC - National Women's Hall of Fame Adds New Members, Including Hillary Clinton By Shelley Gollust, Katherine Gypson and Jerilyn Watson Broadcast: Friday, December 02, 2005 (MUSIC) HOST: W
American Mosaic
This is Scientific American's 60-Second Science, Im Steve Mirsky. Got a minute? Biologists often attempt to construct a genealogy that shows the relationships of all life on earth. One well-accepted effort compares the nucleic acid sequences that cod
Scientific American(五)月
Where Do We Come From? 我们来自哪里? Would you like to know where your ancestors came from? British and American scientists may have found answers for you. They have developed a new algorithm to study deoxyribonucleic acid, also known as DNA --
2014年VOA慢速英语(八)月
By Melinda Smith Washington 12 September 2007 A recent study indicates that a disturbing number of American children with high blood pressure go undiagnosed. The study has prompted discussion worldwide about whether hypertension among children is jus
2007年VOA标准英语（九月）
还记得陈佩斯在1984年春节联欢晚会上演的那个小品《吃面条》吗？他把滚热的面条吃得可是津津有味呢。你知道“滚热的”在英语中怎么说吗？当然可以
英文语法词汇
雅思写作教育话题主要考察教育对个人的影响以及对国家社会的影响，但因前者居多，在写作过程中我们需以学生作为重点分析对象，当考察某种教育活动或者教学方法时，往往要关注四项发
雅思英语