单效蒸馏[淡化]法

By Nancy Steinbach Broadcast: November 19, 2003 This is Phoebe Zimmermann with the VOA Special English Health Report. When scientists want to test the effectiveness of a new drug, they usually divide

发表于:2018-12-15 / 阅读(82) / 评论(0) 分类 VOA2003(下)-环境与健康

Being single has its advantages and disadvantages. I think its better to stay single when youre young. You need to live and have fun. You also need the freedom to do what you want, when you want. Being single in your twenties gives you lots of time t

发表于:2018-12-26 / 阅读(69) / 评论(0) 分类 纯正英语一分钟

Steve Jobs was racing to ensure the Macintosh 乔布斯想要先声夺人 was the first personal computer to have icons on the screen. 确保Macintosh是第一台屏幕上有图标的个人电脑 But just before it was due to be unveiled, 而就在Ma

发表于:2018-12-27 / 阅读(66) / 评论(0) 分类 名人传记

About one thousand years ago, war and famine forced the Hakka ancestors to depart from China's central plains, embarking on a collective southward migration. 上溯千年,因战乱和饥荒 客家人的祖先从中原腹地出发 开始陆续大规模

发表于:2018-12-28 / 阅读(54) / 评论(0) 分类 舌尖上的中国第一季

Cooking is one big science experiment and chefs have been gaining fame for more explicit uses of scentific techniques and tools in the kitchen. Now, according to an article in the December issue of physics world, mixologists the folks behind the bar

发表于:2019-01-08 / 阅读(71) / 评论(0) 分类 Scientific American(十二)月

Cooking is one big science experiment. And chefs have been gaining fame for more explicit use of scientific techniques and tools in the kitchen. Now, according to an article in the December issue of Physics World, mixologiststhe folks behind the bara

发表于:2019-01-08 / 阅读(80) / 评论(0) 分类 Scientific American(十二)月

化学品/农药残留物检测系统 - Chemical/pesticide residue testing; 外界污染源勘测仪器 - Detection of foreign contaminating objects; 实验室设备和传感器 - Laboratory equipment and sensors; 射线杀菌和巴氏杀菌消毒技术

发表于:2019-01-08 / 阅读(122) / 评论(0) 分类 医学英语

你身处一场热闹的派对,音乐声、说笑声不绝于耳。你和同伴聊天都得喊着说话。可是,一旦周围有人提到你的名字,你立马就能听到,似乎周围的喧闹都被神秘地屏蔽了。这种情况就叫cock

发表于:2019-01-08 / 阅读(304) / 评论(0) 分类 轻松英语

格莱美年度歌曲:Single Ladies 这首歌的MV一经发布就引发了全美对当中舞步的模仿热潮,在2009年MTV音乐录影带大奖上,《Single Ladies (Put A Ring On It)》一举拿下年度最佳录影带、最佳舞蹈设计、最

发表于:2019-01-31 / 阅读(90) / 评论(0) 分类 流行英文歌曲

今天我们要学的词是single out。 Single out, 是选出,挑出的意思。 He was singled out as the person who started the fight, 据说这场架是由他挑起的。 He claimed that he was singled out for criticism because of his race, 他声

发表于:2019-02-02 / 阅读(85) / 评论(0) 分类 英语每日一词

direct a./ad. 直接的(地)v. 指挥 direction n. 方向,方位 director n. 指导者,主任 directory n. 人名地址录,(电话)号码簿 disappoint v. 使失望 解析:disappointment n. 失望 d

发表于:2019-02-03 / 阅读(66) / 评论(0) 分类 英文语法词汇

oil field 油田 wildcat 盲目开掘的油井 percussive drilling 冲击钻探 rotary drilling 旋转钻探 offshore drilling 海底钻探 well 井,油井 derrick 井架 Christmas tree 采油树 cr

发表于:2019-02-03 / 阅读(93) / 评论(0) 分类 英文语法词汇

今天我们要学的词是side effect。 Side effect, 副作用。一项最近民调显示,Most Americans want health reform but fear its potential side effects, 大多数美国人都希望看到医疗改革,但是又担心改革可能带来的副

发表于:2019-02-05 / 阅读(82) / 评论(0) 分类 英语每日一词

BEIJING, July 26 (Xinhuanet) -- Hong Kong scientists announced that they had determined the idea of time travel is impossible by proving nothing can travel faster than the speed of light. The finding is contained in a study done by a research team fr

发表于:2019-02-06 / 阅读(80) / 评论(0) 分类 英语新闻

Single Girls Laura Jansen I think you'd like my new hair I cut it when you weren't there that pieces of us everywhere were falling down My bed is now a girl's bed Pink flowers under my head and pillows on your side instead of you Cause that's what si

发表于:2019-02-08 / 阅读(87) / 评论(0) 分类 好听的英文歌曲

音乐咖啡厅:Laura Jansen - Single girls 相关介绍:很显然对这些铺天盖地的独立音乐已经没什么好评论的了,不过这种欢快的调调真是百听不厌。这妮子在myspace上人气还满高的,非小清新系的甜美

发表于:2019-02-08 / 阅读(157) / 评论(0) 分类 音乐咖啡厅

今天我们要学的词是side effect。 Side effect, 副作用。一项最近民调显示,Most Americans want health reform but fear its potential side effects, 大多数美国人都希望看到医疗改革,但是又担心改革可能带来的副

发表于:2019-02-13 / 阅读(132) / 评论(0) 分类 英语单词荟萃

Something called the Danish Twin Study 一个叫丹麦双胞胎的研究表明, established that only about 10 percent 普通人在生物学允许的限度内的寿命, of how long the average person lives, 仅仅有百分之十 within certain bi

发表于:2019-02-14 / 阅读(69) / 评论(0) 分类 TED演讲科学篇

Those hours that with gentle work did frame, 时光老人曾用精雕细刻 The lovely gaze where every eye doth dwell, 刻出这众目所归的美颜, Will play the tyrants to the very same, 也会对它施暴虐于某一天, And that unfair whi

发表于:2019-02-16 / 阅读(146) / 评论(0) 分类 莎士比亚十四行诗全集

Brandy From Wine: How Alcohol Is Turned Into Brandy? 白兰地酿造工艺精湛,特别讲究陈酿时间与勾兑的技艺,其中陈酿时间的长短更是衡量白兰地酒质优劣的重要标准。干邑地区各厂家贮藏在橡木桶中的

发表于:2019-02-24 / 阅读(71) / 评论(0) 分类 英语听力文摘 English Digest