铁电铁磁体

Broadcast: August 4, 2003 This is Bill White with the VOA Special English Development Report. Safe drinking water has always been rare and valuable. Throughout the world, drinking water has to be stor

发表于:2018-11-27 / 阅读(516) / 评论(0) 分类 VOA2003(下)-发展与科学

说一口流利的英语,从简单的单词开始。 听听,读读,背背,今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 kiss [ kis ] A soft wind kissed the tr

发表于:2018-12-30 / 阅读(66) / 评论(0) 分类 每日攻克5词

EDUCATION REPORT -August 8, 2002: Magnet Schools By Jerilyn Watson This is the VOA Special English Education Report. Many American students attend public schools called magnet schools. They are called

发表于:2019-01-06 / 阅读(68) / 评论(0) 分类 教育与新闻

Almost all cells need iron to grow. Now, researchers have identified a link between the body's system for regulating iron and breast cancer. The discovery could help doctors predict the course of breast cancer disease and even help them decide the mo

发表于:2019-01-13 / 阅读(185) / 评论(0) 分类 VOA标准英语2010年(八)月

AUDIE CORNISH, HOST: Each year, malaria kills about half a million people around the world. Health officials say a fast, cheap, accurate way to test for malarial infection would be extremely helpful in combating the disease. As NPR science correspond

发表于:2019-01-16 / 阅读(68) / 评论(0) 分类 2018年NPR美国国家公共电台5月

今天我们要学的词是magnet。 Magnet, 吸铁石,引伸为有吸引力的人或物。英国石油公司同意设立一个200亿美元的基金,赔偿石油泄露事件的受害者。有专家警告说, The $20 billion relief fund will be

发表于:2019-02-03 / 阅读(66) / 评论(0) 分类 英语每日一词