n. 阴碳离子加成作用

VOA慢速英语2011--Spray Shows Promise in Malaria Study in Benin

Health Report - Spray Shows Promise in Malaria Study in Benin 健康报道 - 室内喷洒杀虫剂可减少疟疾传播 This is the VOA Special English Health Report. 这里是美国之音慢速英语健康报道。 Malaria is caused by a parasite sp

发表于:2018-12-16 / 阅读(153) / 评论(0)

2011年VOA慢速英语(十二)月

英语PK台第701期:词根词缀背单词(7)

一个英语单词可分为三部分：前缀（prefix）词根（root）后缀（suffix）。位于词根前面的部分就是前缀。前缀，可以改变单词的意思。 carb-, carbo- 表示碳 carbon = carb + on n. 碳 carbohydrate = carbo + h

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英语PK台

考研英语长难句讲解第164期

25. Your pages will be easier to keep track of that way ,and if you have to clip a paragraph to place it elsewhere, you will not lose any writing on the either side. 【分析】并列复合句。and连接两个并列的分句，第二个分句中又包

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考研英语长难句讲解

考研英语长难句讲解第106期

26. If you are working on a word processor, you can take advantage of its capacity to make additions and deletions as well as move entire paragraphs by making just a few simple keyboard commands. 【分析】复合句。主句主干为 you can take a

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考研英语长难句讲解

英语名篇名段背诵精华31 Companionship of books

Companionship of books A man may usually be known by the books he reads as well as by the company he keeps; for there is a companionship of books as well as of men; and one should always live in the best company, whether it be of books or of men. A

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英语名著名段背诵精华

Thinking About Using -ing Words?

In the English language, putting two -ing words together often is not only natural but correct. Listen to an example: Ive been avoiding going to the doctor. In todays Everyday Grammar, we will look at examples of when two or more -ing words appear ne

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2018年VOA慢速英语(三)月

SSS 2009-11-10

What you eat affects more than physical health. Two new studies have added to the growing evidence linking the stomach and the brain. In a report in the Proceedings of the National Academy of Sciences, researchers studied how junk food can trigger ad

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Scientific American(十一)月

VOA慢速英语2010年-Science in the News_ How to Avoid Carb

FRITZI BODENHEIMER: This is SCIENCE IN THE NEWS in VOA Special English. I'm Fritzi Bodenheimer. FAITH LAPIDUS: And I'm Faith Lapidus. Winter conditions are affecting many countries in Earth's northern hemisphere. Winter brings cold weather and, with

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2010年慢速英语(二)月

60秒科学:Diet and the Brain

Diet and the Brain A study in the Proceedings of the National Academy of Sciences finds that brain chemicals linked to addiction are in play with a high-sugar diet, and a study in the Archives of Internal Medicine shows that a high-carb diet had last

发表于:2019-01-30 / 阅读(263) / 评论(0)

60秒科学

SCIENCE IN THE NEWS - Diet News / Big Plans for Losing Weigh

SCIENCE IN THE NEWS - Diet News / Big Plans for Losing Weight / New Drug for Malaria By Broadcast: Tuesday, June 01, 2004 (THEME) VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Sa

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科技之光

六分之一新婚夫妇承认藏有小金库

The case for prenuptual agreements may have just gotten stronger: According to a new survey by credit-tracking company Experian, 16 percent of newlyweds admit they are hiding a financial account from their spouse. 婚前协议的案例与日俱增。信

发表于:2019-02-01 / 阅读(116) / 评论(0)

实用英语

英语杂谈：81 Diet News

VOICE ONE: Many people who try to lose weight know that no diet is perfect.But two new studies show that a diet low in carbohydrates can cause faster weight loss than a diet low in fats. This was true at least in the short term. Researchers published

发表于:2019-02-06 / 阅读(148) / 评论(0)

英语杂谈

There are lots of different diets

There are lots of different diets. On of them is called the low-carb diet. If you were on a low-carb diet you would eat... 节食方法有很多种，有一种叫做低碳水化合物饮食，若你就是这种情况，你会吃什么呢？ a) less fish b) less pasta（意大利面条） c) les

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六分钟英语

英伦广角 2009-01-24 海地孤儿找到新家

Its been a long journey for these Haitian children. Now in the United States, they are about to start a new life with their adoptive parents. Because of the earthquake, um, the children were released to their parents that they're at homes waiting for

发表于:2019-02-08 / 阅读(98) / 评论(0)

英伦广角

VOA标准英语2011--Spraying Insecticide Indoors Reduces Spr

Spraying Insecticide Indoors Reduces Spread of Malaria Researchers in West Africa have shown that spraying insecticide indoors can dramatically reduce malaria transmission. Efforts to develop a malaria vaccine have so far been disappointing, so progr

发表于:2019-02-12 / 阅读(183) / 评论(0)

VOA标准英语2011年(十月)

美国国家公共电台 NPR You Don't Have To Go No-Carb: Instead, Think Slow Carb

STEVE INSKEEP, BYLINE: Some people who watch what they eat may be overlooking the most important things. Counting calories is a bit too simple. Cutting carbs is a bit too hard. So what can you do? NPR's Allison Aubrey has a different strategy. ALLISO

发表于:2019-03-04 / 阅读(195) / 评论(0)

2019年NPR美国国家公共电台1月

【英语时差8，16】不健康的“健康食品”

Don: Today on A Moment of Science Yael and I are talking about... lunch. Yael: Actually, we're going to talk about Don's lunch--and just how healthful, or unhealthful, it is. D: Well, I don't think you're gonna see too much unhealthful stuff, Yael. T

发表于:2019-03-06 / 阅读(184) / 评论(0)

英语时差8，16

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breakeven load factor