ENVIRONMENT REPORT — March 15, 2002: Nuclear Pollution and Cancer By Mario Ritter This is the VOA Special English ENVIRONMENT REPORT. A recent report by the USA Today newspaper says that a large amo

发表于:2019-01-04 / 阅读(38) / 评论(0) 分类 健康与环境

By Peter Fedynsky Washington, DC 26 October 2006 watch Nuclear Terrorism Nuclear materials have a wide range of characteristics. Enriched uranium or plutonium have awesome explosive potential. Cesium emits deadly radiation, while isotopes of some ra

发表于:2019-01-12 / 阅读(93) / 评论(0) 分类 2006年VOA标准英语(十月)

At McGill University in Montreal the young New Zealandborn Ernest Rutherford became interested in the new radioactive materials. With a colleague named Frederick Soddy he discovered that immense reserves of energy were bound up in these small amounts

发表于:2019-01-29 / 阅读(56) / 评论(0) 分类 万物简史

A-bomb, atomic bomb 原子弹 absorption 吸收 to accelerate 加速 accelerating chamber 加速室 accelerator 加速器 synchrocyclotron 同步回旋加速器 synchrotron 同步加速器 betatron 电子

发表于:2019-02-03 / 阅读(63) / 评论(0) 分类 英文语法词汇

Whats the best way to dispose of nuclear waste? And is it true that scientists have considered sending it into space? Good question. To answer the second part firstyes, sending nuclear waste into space has come up. But if a rocket or space shuttle ca

发表于:2019-02-15 / 阅读(36) / 评论(0) 分类 英语时差8,16

labour and material cost index 劳工及材料成本指数 LAF bid and offer rates 流动资金调节机制的借入及拆出息率 laissez-faire policy 自由放任政策 land cost element 土地成本

发表于:2019-02-25 / 阅读(59) / 评论(0) 分类 财会英语