[化] 二氧化锗

赖世雄高级美国英语 lesson 37

Lesson 37 The Germanic LanguagesMost people have heard of the Tower of Babel story in the Bible. According to this story, long ago all people spoke the same language. Later, however, they were punished by speaking a great number of different tongues.

发表于:2018-11-27 / 阅读(464) / 评论(0)

赖世雄高级美国英语

SSS 2009-04-06

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Batteries of the future need to deliver more energy, and they need to be smaller. Researchers at MIT think they have developed a technology that can, a

发表于:2019-01-08 / 阅读(133) / 评论(0)

Scientific American(四)月

SSS 2010-08-04

This is Scientific Americans 60-Second Science. Im Adam Hinterthuer. Got a minute？ Heres a possible blood pressure remedy. But its only for those who can stand the heat. Its capsaicin, the active ingredient in peppers like habaneros that should pro

发表于:2019-01-08 / 阅读(123) / 评论(0)

Scientific American(八)月

SSS 2010-04-14

One main goal in the renewable energy field is to find an efficient, inexpensive way to split water into hydrogen and oxygen. The hydrogen could then be used as a fuel source for vehicles or fuel cells. Typically, an electric current breaks the water

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Scientific American(四)月

VOA慢速英语 2007 1113b

SCIENCE IN THE NEWS - Discovery That Stored Blood Loses a Life-Saving Gas Could Solve Mystery By Lawan Davis, Soo Jee Han and Caty Weaver / Broadcast: Mon, 12 Nov 2007 16:00:00 UTC VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm S

发表于:2019-01-11 / 阅读(160) / 评论(0)

VOA慢速英语2007年（十一）月

TED演讲:怎样选择适合你的防晒霜(1)

Sunscreen comes in many forms, each with its own impacts on your body and the environment. 防晒霜有很多种，每种对你的身体和环境影响各有不同。 With so many options, how do you choose which sunscreen is best for you? 有了这么

发表于:2019-01-17 / 阅读(119) / 评论(0)

TED演讲教育篇

电脑英语--常见硬件篇

电脑英语--常见硬件篇 CPU：Central Processing Unit，中央处理单元，又叫中央处理器或微处理器，被喻为电脑的心脏。 RAM：Random Access Memory，随机存储器，即人们常说的内存。 ROM：Read－Only Memory，

发表于:2019-01-26 / 阅读(92) / 评论(0)

实用英语

万物简史第137期:基本物质(9)

In the early 1800s there arose in England a fashion for inhaling nitrous oxide, or laughing gas, after it was discovered that its use was attended by a highly pleasurable thrilling. For the next half century it would be the drug of choice for young p

发表于:2019-01-29 / 阅读(67) / 评论(0)

万物简史

北京最后1座燃煤电厂于日前关停

Beijing's last large coal-fired power plant suspended operations last Saturday, meaning the capital has become China's first city with all its power plants fueled by clean energy. 上周六，北京最后一座大型燃煤电厂停机备用，这意味

发表于:2019-02-04 / 阅读(80) / 评论(0)

英语新闻

18招促环保（双语）

18招促环保（双语）我们中的每个人都应该对自己日常生活活动和选择所产生的温室气体负责。因此，防止气候变化需要地球上的每个人共同来努力。在中国，平均每户每年的碳排放量是2.41吨

发表于:2019-02-06 / 阅读(177) / 评论(0)

实用英语

China to boost distribution industry

BEIJING, July 11 (Xinhua) -- The State Council, or China's Cabinet, announced on Wednesday that it will boost the development of the nation's distribution industry with the goal of establishing a modern goods distribution system that is efficient, co

发表于:2019-02-08 / 阅读(123) / 评论(0)

英语新闻

研究人员开发新技术应对雾霾

Researchers from Xian Jiaotong University in Northwest Chinas Shaanxi Province have developed a way to eliminate air pollutants during the coal-burning process, which they hope would significantly address the countrys smog problems. 来自中国西北的

发表于:2019-02-13 / 阅读(167) / 评论(0)

英语新闻

Environment Report Reveals Serious Pollution in China

China's State of the Environment Report for 2012 suggests that the overall quality of China's environment is balanced and stable. The condition of underground water remains to be a big concern. Li Dong has the details. Released annually by China's Mi

发表于:2019-02-14 / 阅读(220) / 评论(0)

世界各地新闻集锦

用电脑的人必看的商务英语-1

电脑英语--常见硬件篇CPU：Central Processing Unit，中央处理单元，又叫中央处理器或微处理器，被喻为电脑的心脏。 RAM：Random Access Memory，随机存储器，即人们常说的内存。 ROM：Read－Only Memory，只

发表于:2019-02-15 / 阅读(125) / 评论(0)

天天商务口语

给语言学习者：你不知道的9个英语冷知识

1. It is the only major language without an academy to guide it. 英语是唯一没有学术机构加以规正的大语种。 LAcadmie fran?aise, based in Paris, is in charge of overseeing the French language. For Spanish there is the Real Academia E

发表于:2019-02-15 / 阅读(75) / 评论(0)

阅读空间

关于电脑英语缩略词大盘点

重要电脑英语及其缩写 CPU：Central Processing Unit，中央处理单元，又叫中央处理器或微处理器，被喻为电脑的心脏。 RAM：Random Access Memory，随机存储器，即人们常说的内存。 ROM：Read－Only Memory，

发表于:2019-02-16 / 阅读(85) / 评论(0)

实用英语

WHO: Diesel Exhaust Causes Cancer

The World Health Organization, upgrading a previous warning, said June 12 that diesel exhaust causes cancer and called for tighter emissions standards, comparing the risk of exhaust to second-hand cigarette smoke. Tuesdays announcement comes after in

发表于:2019-02-17 / 阅读(98) / 评论(0)

英语新闻

常见硬件名和设备名中英对照

CPU：Central Processing Unit，中央处理单元，又叫中央处理器或微处理器，被喻为电脑的心脏。 RAM：Random Access Memory，随机存储器，即人们常说的内存。 ROM：Read－Only Memory，只读存储器。 EDO：Ext

发表于:2019-02-21 / 阅读(76) / 评论(0)

实用英语

美国学生人类历史第134期:查理曼大帝(6)

The Pope, once more sorely beset by his enemies, sent north for help. 可怜的教皇再度卷人旋涡的中心，被敌人四面包围，被迫向北方发出求救的呼吁， He did not appeal to the ruler of the west-Frankish kingdom, this time.

发表于:2019-02-21 / 阅读(80) / 评论(0)

美国学生人类历史

万物简史第382期:浩瀚的海洋(1)

18 The Bounding Main 第十八章浩瀚的海洋 Imagine trying to live in a world dominated by dihydrogen oxide, 请你想像一下，你能不能生活在一个由一氧化二氢主宰的世界里。 a compound that has no taste or smell and is so

发表于:2019-02-25 / 阅读(158) / 评论(0)

万物简史

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