单词:phenylhioure
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Agriculture Report - High Food Prices, Revolutions, and the Future 农业报道 - 高粮价的影响及未来 This is the VOA Special English Agriculture Report. 这里是美国之音慢速英语农业报道。 Food prices are down from their record
Our story this week is called The God of His Fathers. It was written by Jack London in the year 1901. Here is Shep O'Neal with the story. Silently, the wolves circled the herd of caribou deer. Gray bellies closed to the ground. The wolves in the pack
[00:03.76]ew,more details about the new star trek film. 星际迷航电影版的最新消息 [00:05.92]there's going to be a scene depicting spock's birth. 将有描绘Spock诞生的场景 (星际迷航主人公之一 为Vulcan族) [00:09.88]i'd be m
Many of the Burgess specimens have now been assigned to living phyla just where Walcott put them in the first place. 许多布尔吉斯标本现在已经归到活着的动物的门里就是沃尔科特最初放置它们的地方。 Hallucigenia and s
This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? To keep your car purring, you have to change the oil. Such maintenance produces eight billion gallons of used motor oil annually. Some waste oil does get re-refined to pro
Fun Fact: Alligators Can Regrow Teeth 有趣的事实:短嘴鳄可以再长牙齿 Fun fact about alligators: they can regrow any of their eighty teeth up to fifty times. Which is pretty impressive, especially compared to us relatively dentally chal
its time again for the A Moment of Science mailbag. A listener writes: Dear A Moment of Science, Ive always been fascinated by volcanoes. So I was wondering: How well can scientists predict when and where a volcano will erupt? Intersting question. Th
Todd: OK. Hello, Kevin! Kevin: Hi, Todd. How are you? Todd: Doing pretty good. Kevin: GoodTodd: Kevin we're gonna talk about nature. Kevin: OK. Todd: First of all could you tell the listener where we are? Kevin: Well, let's see. We are on, kind of on
我们大多数人都不会面对这些人所面对的挑战,而我们大多数人也没有取得这些人所获得的成就。 除非我们选择努力。 如果马克英格里斯没有腿都能登上世界最高山峰,那你呢? We all have w
Poetry has been produced by every civilization in history, and it shows no sign of losing its power in our time. Ours may be, as we are often told, a prosaic age or a scientific age, but it is also an age in which a great quantity of poetry is writte
A: Are there any hobbies you do? B: When I have time, I sometimes draw and paint. A: Oh, you actually do that? B: Every so often, I do. A: Did you always know how to draw and paint? B: I was taught in high school how to draw and paint. A: You had an
This is Scientific American's 60-Second Science. I am Steve Mirsky.Got a minute? Talk about your vicious cycles. A new study finds that belly fat could be making you hungrier. Which would lead to more belly fat. The research was performed at the Univ
Algae seem harmless enough. These precursors to plants thrive throughout the world's waters. But these single-celled plants have global consequences. We can thank them for oxygen in the atmosphere, oil in the lithosphere as well as dead zones in the
By Kane Farabaugh Cincinnati, Ohio 26 October 2006 watch report Ohio Battleground The midwestern state of Ohio was a key battleground state in the 2004 election. President George Bush ultimately won the state, a victory that assured his second term
New Drugs Promise Higher Cure Rates for Hepatitis C The U.S. Food and Drug Administration has approved two new drugs - boceprevir and telaprevir - to treat hepatitis C, a virus that can cause liver damage and cancer. The new drugs are expected to imp
ACCRA, Dec. 21 (Xinhua) -- Ivoirian and Manchester City midfielder Yaya Toure was crowned the Confederation of Africa Football (CAF) Best Player of the Year for the second consecutive time at an Awards Gala held at the Banquet Hall of the State House
Todd: OK. Hello, Kevin. Kevin: Hi, Todd. How are you? Todd: Doing pretty good. Kevin: Good. Todd: Kevin we're gonna talk about nature. Kevin: OK. Todd: First of all could you tell the listener where we are? Kevin: Well, let's see. We are on, kind of
Futures Contract 期货合同 Corn Futures Contract of Chicago Board of Trade (CBOT) __________________ Terms |Contract Contents ________________________|________________________ Trading Unit |5,000 bus. for each contract ________________________|___
WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo
EarthSky speaks with water expert Mark Smith, who heads the Water Program for the International Union for the Conservation of Nature IUCN the worlds oldest and largest network of environmental scientists and agencies. EarthSky 与水务专家马克史密