单词：small crystals of calcium oxalate
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Snow 雪 Snow comes from clouds, and it is made of snowflakes. 雪从云里来，它是由雪片形成的。 As snowflakes grow bigger and heavier in the cloud, they fall toward the ground. 当云中的雪片变得更大、更重时，它们就会落向
与美国小学生一起学英文第1册
Small Organisms in Deep Sea Rocks Eat Methane 深海岩中的微生物吃甲烷 The gas methane has been linked to rising temperatures on Earth. But methane does not stay in the atmosphere as long as another greenhouse gas -- carbon dioxide. Scientis
2014年VOA慢速英语(十)月
玛利亚莎拉波娃（Maria Sharapova），1987年4月19日出生于俄罗斯西伯利亚汉特曼西自治区尼尔根。俄罗斯职业网球运动员。 2004年，莎拉波娃在温网决赛中横扫塞雷娜威廉姆斯，夺得职业生涯的首
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New news is goo newswhen its inside our bones, anyway. Because a combination of imaging techniques and modeling has revealed that our bones are filled with a natural chemical goo thats key to the bones function as support structures. The finding is i
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EXPLORATIONS – December 4, 2002: Galapagos Islands By Caty Weaver VOICE ONE: This is Mary Tillotson. VOICE TWO: And this is Steve Ember with the VOA Special English program EXPLORATIONS. Today, we t
Explorations
This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The 2011 Nobel Prize in chemistry goes to Daniel Schechtman of the TechnionIsrael Institute of Technology in Haifa. Schechtman discovered what are called quasicrystals.
Scientific American(十)月
SCIENCE REPORT – January 16, 2002: Snow Facts By George Grow This is the VOA Special English SCIENCE REPORT. Winter weather has arrived in northern areas of the world. In much of the United States,
科技之光
SCIENCE IN THE NEWS - December 10, 2002: Snow By George Grow VOICE ONE: This is Steve Ember. VOICE TWO: And this is Bob Doughty with SCIENCE IN THE NEWS, a VOA Special English program about recent dev
科技之光
Demand for higher productivity has pushed farmers in Asia to let go of the water buffalo as a farming tool. Today, governments and investors are finding ways to expand the iconic beast of burden's role on the farm. Millions of farmers in Southeast As
VOA标准英语2010年(一月)
FAITH LAPIDUS: This is SCIENCE IN THE NEWS, in VOA Special English. Im Faith Lapidus. BOB DOUGHTY: And Im Bob Doughty. Today, we will tell you everything you wanted to know about snow. (MUSIC) FAITH LAPIDUS: Winter has returned to northern parts of t
2011年VOA慢速英语(一)月
An online guide to snow and other ice phenomena Art Chimes | Washington, DC 18 December 2009 Photo: SnowCrystals.com Time again for our Website of the Week, when we showcase interesting and innovative online destinations. For those of us in the north
VOA标准英语2009年(十二月)
SCIENCE IN THE NEWS - Winter Cold: Everything You Ever Wanted to Know About SnowBy George Grow Broadcast: Tuesday, January 10, 2006 (MUSIC) VOICE ONE: This is Steve Ember. VOICE TWO: And this is Bob D
2006年慢速英语（一）月
MIDDLEBURY, Vermont More Americans are quenching their thirst with hard cider. In 2011, U.S. sales of the alcoholic beverage made of fermented apple juice were up 20 percent over the previous year, according to the U.S.-based Beer Institute. There we
英语新闻
you shouldnt quit drinking milk. It is a good source of calcium after all.what you should do is stop consuming dairy on an empty stomach period. On an empty stomach, dairy moves faster through your intestines and is more likely to cause you intoleran
英语听力文摘 English Digest
VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Shirley Griffith. VOICE TWO: And I'm Steve Ember. Today, we tell you everything you ever wanted to know about snow. (MUSIC) VOICE ONE: Justin Snow of the Indianapolis Colts stands in
2010年慢速英语(一)月
D Fish Ears Tell Fish Tales Fish have ears. Really. They're quite small and have no opening to the outside world carrying sound through the body. For the past seven years, Simon Thorrold, a university
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New news is goo newswhen its inside our bones, anyway. Because a combination of imaging techniques and modeling has revealed that our bones are filled with a natural chemical goo thats key to the bones function as support structures. The finding is i
2016年Scientific American(八)月
Which is just what happens. This is a great short-term fix, but what about the poor skeleton? Eventually it will suffer from the loss of its own calciumbones will become brittle. What can we do? Two things. Help your body get more calcium by eating f
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Would Americans Let Edible Insects Come to Dinner? It may sound sickening to some of you, but many people can and do eat insects. Edible insects are a great source of high quality protein and minerals known to be important to good health, like calciu
2019年VOA慢速英语(二)月