单词：transannular tautomerism
单词：transannular tautomerism 相关文章
This is the VOA Special English Health Report. New York City wants to fight fat. The Board of Health has passed a ban on trans fats in all restaurants. Kentucky Fried Chicken sells a fried chicken fre
2006年慢速英语(十二)月
Lesson 12 Is It Necessary to Develop Toarism? Text A Little Good Will Can Help People Understand Each Other Today we had an American family, the Robinsons, for Sunday dinner. The man is in China on a
高级口语教程
Elementary - Difficult Customer A: Good evening. My name is Fabio, Ill be yourwaiter for tonight. May I take your order? B: No, Im still working on it. This menu is not even in English. Whats good here? A: For you sir, I would recommend spaghetti and
纯正地道美语
On December 25, 2000, many people across North America received a rare Christmas treat when the moon passed in front of the sun resulting in a partial solar eclipse. Solar eclipses occur when the moon passes between the Earth and the sun, and the moo
听英文对话做选择
In a recent Business English Podcast (BEP 22), we looked at how to deal with technical problems when speaking on the telephone in English. Today, were going to talk how to deal with problems with the caller, which are of course much harder to handle!
商务电话英语
Everyone likes to get good customer service, but we dont always get it. In this episode, we talk about tipping (where, when, and how much), and about how to handle a situation when the service was not so good. Harp and Maura also share their own pers
英语博客-北美风情
Eleven countries in the Pacific region have signed a major Asia-Pacific free trade agreement in Santiago, Chile. The deal is a new version of the Trans-Pacific Partnership from which the U.S. withdrew last year. The agreement is called the Comprehens
2018年VOA慢速英语(三)月
From VOA Learning English, this is the Health Lifestyle report. There may be something in your food that you cannot see and cannot taste. But it could be killing you. It is an artificial oil commonly called trans fat. Trans fat is a toxic chemical th
2018年VOA慢速英语(五)月
英语四级同形异义词辨析06 1. The work was almost complete when we received orders to no further with it. (2003.06) A) progress B) proceed C) march D) promote 2. It was the first time that such a had to be taken at a British nuclear power st
四六级词汇与结构练习
AS IT IS 2016-09-02 Ring of Fire Eclipse Passes Over Africa People in parts of Africa witnessed a ring of fire in the sky Thursday, created by the moon passing between the Earth and the sun. The solar event is called an annular eclipse. A total solar
2016年VOA慢速英语(九)月
By Selah Hennessy Dakar 24 September 2007 As part of a peace deal with militant ethnic Tuaregs in northern Mali, the country's government has pledged $2 million towards development. Analysts say long-awaited diplomacy and development aid is crucial i
2007年VOA标准英语（九月）
Now, even though both of these molecules are made up of exactly the same building blocks, 尽管这两种分子由一模一样的东西组成， they are two completely different substances, and they behave completely differently inside of us. 但它们
TED演讲教育篇
GWEN IFILL: Congress is on the verge of finally approving a rewrite of the education law known as No Child Left Behind. The Senate is expected to pass it easily tomorrow. The House did so last week, and the president is expected to sign it. It will g
PBS访谈教育系列
An annular solar eclipse is seen formed over the sky of Burma's ancient historic city of Bagan, 15 Jan 2010 Holly Gilbert, an astrophysicist at NASA, explains the science behind the spectacle of the sun's disappearance. So during a total solar eclips
VOA标准英语2010年(七)月
Part 2. Green Transporation Festival. Keywords. Green Transporation Festival, oil, environment, reduce, other kinds of fuels. Vocabulary. hydrogen, propane, scooter, hybrid, ethanol. A. You are going to hear a report on green transporation festival.
step by step 3000 第一册
BEIJING, Nov. 4 (Xinhuanet) -- The amount of trans fat and other nutritional information will be marked on the labels of prepackaged food, according to the country's first national standard for food nutrition. The labeling will take effect on Jan 1,
英语新闻
Technology shows such as the annual E3 games conference in Los Angeles have become known for their scantily clad 'booth babes' designed to attract people to stands. 在洛杉矶，一年一度的E3游戏展以穿着暴露的展品模特儿闻名。 H
阅读空间
Both metaphorically and in reality, the translucency connected the inner engineering of the computer to the outer design. 无论是比喻还是现实，这种半透明都把内部的工程学构造和外壳设计联系在了一起。 Jobs had always
乔布斯传
By the next showing Ive had refined the playful model. 在下一次展示之前，艾弗又完善了这个模型。 This time Jobs, with his binary view of the world, raved that he loved it. 这一次，乔布斯带着他那不是杰作就是狗屎的评
乔布斯传