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A New Device is

Broadcast: Jan 15, 2003 By Jerilyn Watson This is the VOA Special English Health Report. Many millions of people around the world suffer from problems of the small intestine. Bleeding from abnormal gr

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现在完成进行时(The Present Perfect Continuous Tense)表示由过去某时持续到现在的动作，由have(has)been+现在分词构成： It has been raining for three hours. 一连下了三个钟头的雨。 She has been working the whole mo

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过去完成进行时(The Past Perfect Continuous Tense)：表示过去某时前一直在进行的动作，由had been+现在分词构成： I asked him what he had been doing． 我问他一盲在干什么。 He had been working all day and was very

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This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. The Earths crust is old. Billions of years old. So old that its nearly impossible to imagine. And now scientists have discovered what may be the oldest

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[00:10.06]Gehrig continued to improve as a player. [00:14.05]By 1924, pitchers for opposing teams were having bad dreams about Lou Gchrig and Babe Ruth. [00:23.04]Ruth hit sixty home runs that year. [00:26.36]Gchrig hit forty seven and won the Americ

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This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Theres definitely methane on Marsand there are seasonal variations of how much is being released into the thin Martian atmosphere. Which means that Mar

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What does an 800-pound gorilla eat? If you said: anything it wants, youre not thinking like a scientist. A scientist would say, Let me analyze the isotopic composition of its excreta and Ill get back to you. Because a new study shows that the ratio o

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Scientists know all about the therapeutics qualities of blue and red light. But until know, sufferers of acne have to go to hospital to benefit from it. But Lumie, the manufactures of this new LED device hope it would see light therapy moving to the

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Scientists Closer to Solving Plain of Jars Mystery A new group of human remains has been uncovered on the Plain of Jars in Laos. They are believed to date back to the Iron Age, some 2,500 years ago. The Plain of Jars is in the central Lao province of

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Doctors Achieve Milestone Using Artificial Heart With No Beat In March, two doctors at the Texas Heart Institute in Houston achieved what medical experts call a major milestone by implanting a continuous-flow artificial heart in a human patient. The

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WASHINGTON, Jan. 14 (Xinhua) -- The U.S. Food and Drug Administration said Wednesday it had approved the first device to treat obesity by targeting nerves between the brain and the stomach. The device, known as the Maestro Rechargeable System, is app

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How to Establish New Habits the No-Sweat Way

The chains of habit are generally too small to be felt until they are too strong to be broken. - Samuel Johnson Editors note: This is a guest post from Mary Jaksch of Goodlife Zen. Have you ever had problems establishing a new habit? Maybe I should a

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今天我们要学的词是 weight loss. Weight loss 减重。Dr. Oz, host of The Dr. Oz Show, was grilled by senators about his promotion of controversial weight loss products on his show. 美国电视节目主持人Dr. Oz因为在节目中推荐效果

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BEIJING, Oct. 27 (Xinhuanet) -- A new study shows that it's not simply a lack of willpower that explains weight regain but hormones keep one insisting on eating, a persistent biological urge. As any dieter knows, it's hard to keep weight off. Weight

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Have you ever thought why there are very few great people? I think there is probably only one great person out of 10,000 at best, and most probably much less than that. But why? Most people want to be great, right? Why are there only very few of them

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Key Sentences(重点句子) 146．The connection was bad． 通话情况很糟。 147．There was a lot of echo and I couldn't hear well． 回音太多，我听不清楚。 148．I'll connect you agian． 我再为您接通一次。 149．I've just