单词：altazimuth reflector
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冀教版高中英语必修一
06 食盐与血压的关系 DATE=2-22-01 TITLE=SCIENCE REPORT - Salt and Blood (1)Pressure BYLINE=Jerilyn Watson （Start at 1'00
科技之光
average brightness 平均亮度 average picture level 平均图象电平 averaging 求平均数 avionics 航空电子学 axial betatron oscilations 轴向电子感应加速岂荡 axial etch nonuniform
电信英语
Left Hand Free-Alt-J Hey shady baby I'm hot Like the prodigal son Pick a battle eenie meenie miney moe Hey flower you're the chosen one Well your left hand's free And your right's in a grip With another left hand Watch his right hand slip Towards his
2015 MTV 音乐录影带
PEOPLE IN AMERICA -November 24, 2002: Walt Whitman, Part 2 By Richard Thorman VOICE 1: I'm Shirley Griffith. VOICE 2: And this is Doug Johnson with the Special English program, People in America. Toda
People in America
PEOPLE IN AMERICA -November 17, 2002: Walt Whitman, Part 1 By Richard Thorman VOICE 1: This is Shirley Griffith. VOICE 2: And this is Rich Kleinfeldt with the VOA Special English program, People in Am
People in America
In 1970, the Soviet Union put a laser reflector on the moon, carried by a rover. A few months later, it disappeared. Some speculated that the rover had fallen into a crater or parked in such a way as to render the reflector inaccessible. Now after 40
Scientific American(四)月
[00:06.23]2 Pronunciation Listen and say. [00:11.24]I like healthy food such as fruit [00:14.13]and vegetables. [00:16.42]I eat lots of fast food! [00:19.52]I like to eat tasty food. [00:22.34]She said that she liked healthy food. [00:26.04]She also
外研社新标准初中英语八年级
据《科学》杂志报道，苏联的月球车40年前在月球表面留下了激光反射器，虽然经过多年的搜寻科学家始终没有发现激光反射器的踪迹。 4月22日，一组物理学家终于发现了来自反射器的微弱闪
60秒科学
Gain - This is an increase in signal power, due to a boost from an electronic device. Garbage - These are unwanted characters that appear because of either incorrect settings or noise. Gate - These ar
电信英语
This is Scientific Americans 60-Second Science. Im Karen Hopkin, this will just take a minute. Anyone whos ever cut up an onion knows that some smells can actually be painful. Now, researchers from Baltimore and Denver are closer to understanding why
Scientific American(三)月
Once, there lived a peddler. The peddler sold all sorts of goods.sturdy shoes for the farmers and pretty trinkets for their sweethearts, warm, woolly shawls to keep the women warm and sweet, sticky toffees for the children to munch on their way back
英语小短文
So surprise So sly So helpless So dry A normal way to use my words Openings, a longer wait So surprise So sly So helpless So dry If you leave right back to me If you leave write back to me Like every man it don't matter To every man you don't matter
英文特辑精选
LULU GARCIA-NAVARRO, HOST: If you've seen footage of white nationalists marching over the last couple of weeks, you've probably noticed that they're mostly young and male. But reporter Seyward Darby found that there are some influential women in the
2017年NPR美国国家公共电台8月
The Five-hundred-meter wide Aperture Spherical Telescope, or FAST, is now operational in the mountains of Guizhou in southwest China. FAST has been designed to help Chinese researchers better understand our universe, as well as probe the cosmos for e
2016CRI中国国际广播电台
Bart's upstairs neighbor was driving him nuts. He made all kinds of strange noises at all kinds of strange hours. If I tell my neighbor he's noisy, he won't believe me, Bart thought. He'll believe me only if he lives downstairs and hears himself upst
英文短篇故事（纽约）
By Paul Sisco Washington 14 November 2007 At the McDonald Observatory in western Texas, a unique space program has been quietly underway for more than 30 years. It is called the Lunar Laser Ranging Program. VOA's Paul Sisco has more. Research scienti
VOA常速英语2007年（十一月）
BEIJING Jan. 10 (Xinhuanet) -- Keeping a healthy diet may help children with attention deficit hyperactivity disorder (ADHD) in their treatment, a new study revealed. The study was published Monday in the American medical journal Pediatrics. After an
英语新闻
A healthy eating plan doesn't mean you have to sacrifice your favorite foods or give up flavor. All that's needed is a little adjustment, an open mind, and an experimental spirit. Try some of these tips when preparing your favorite home-cooked meals
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The construction of the project was started in 2011 with an investment of 1.2-billion yuan, or about 180 million US dollars. The 500 metre Aperture Spherical Telescope, or FAST, is the size of 30 football fields. It's located in a hollow that was for
2016CRI中国国际广播电台