单词:ultra-high-molecular-weight polyethylene
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Soon, she seems a couple of subordinates attempting to lift the weight of sentences directly in front of themselves. 不久,她看见了一些从属关联词试图举起放在他们面前的句子。 Even though Bartheleme loves to sing, he never s
Losing Weight Proves To Be Big Busines This is Science in the News in VOA Special English. I'm Shirley Griffith. And I'm Bob Doughty. Today we will talk about diet and weight loss. Exercise is important if you want to get in good shape. But experts s
SCIENCE IN THE NEWS - No Need to Go to Extremes to Lose Weight SHIRLEY GRIFFITH: This is SCIENCE IN THE NEWS in VOA Special English. Im Shirley Griffith. BOB DOUGHTY: And Im Bob Doughty. Today, we will talk about diet and weight loss. Exercise is imp
情景对话: Walter: Not hydrofluoric. 氢氟酸就不会。 Jesse: Why not? 为什么不会? 知识点笔记: hydrofluoric 氢氟酸 1. 确定辅音 相对来说,辅音变化最少。 单词中 h,dr,fl,r 和 c, 都没有特殊和奇怪
I dont believe, in all my years, I have ever seen a fruit fly I would consider obese. But, thanks to the wonders of modern science, thats all about to change. Because a team of researchers from Cold Spring Harbor laboratory has produced the first fli
The United States has partnered with the United Nations Foundation's Girl Up campaign, Intel Corporation, Google, and other partners to lead the third annual Women in Science Girls STEAM Camp, to enable to girls to study the science, technology, engi
STEVE INSKEEP, HOST: The BBC series Planet Earth was one of the first blockbuster high-definition TV shows a decade ago. Tomorrow, Planet Earth II debuts on BBC America. And this time, it is said to be in ultrahigh def. Reporter Will Huntsberry found
China has long depended on coal-burning power plants to fuel its explosive growth over the past three decades. As a result, air pollution has risen to alarming levels in central and eastern regions. Policymakers have been working hard to shift the co
Why Teflon Is Slippery Teflon is the trademark name for PTFE, a type of plastic. If you own any non stick cookware, then you probably use PTFE on a daily basis. You might not realize, as you fry your morning eggs, that PTFE is one of the most slipper
EDUCATION REPORT - Intel Science Talent Search Winners AnnouncedBy Nancy Steinbach Broadcast: Thursday, March 23, 2006 I'm Steve Ember with the VOA Special English Education Report. An eighteen-year-o
By Barry Wood Belgrade 03 February 2008 Serbian pro-Western President Boris Tadic has claimed victory over his ultra-nationalist challenger Tomislav Nikolic in a closely contested runoff vote. VOA's Barry Wood in Belgrade reports that amid mild and s
The discovery of cells in the brain that act as the body's internal global positioning system, which won three scientists the Nobel Prize for medicine on Monday, opens an intriguing new window onto dementia. Since these spatial cells are among the fi
This year, TV makers are doing their best to give huge-screen fanatics more breathing room. New ultrahigh-definition sets were shown off Monday by LG Electronics, Sharp, Sony and Samsung Electronics at the international CES gadget show in Las Vegas.
A: I''m sorry to say that the price you quote is too high. It would be very difficult for us to push any sales if we buy it at this price. B: well, if you take quality into consideration, you won''t think our price is too high. A: Let''s meet each ot
SCIENCE IN THE NEWS - Some People Go to Extremes to Lose Weight SHIRLEY GRIFFITH: This is SCIENCE IN THE NEWS in VOA Special English. Im Shirley Griffith. BOB DOUGHTY: And Im Bob Doughty. Today, we will talk about diet and weight loss. Exercise is im
Despite temperatures of around 30 degrees Celsius on Sunday, hundreds turned out in southwest Beijing to take part in what's known as an ultra-marathon. More than twice the distance of a marathon, which is just over 42 kilometers, ultra-marathons are
Yael: I have a question for you, Don. Paper or plastic? Don: Not that question again, Yael. Does anyone really care whether their groceries are put in plastic or paper bags? Y: Sure they do. In fact, the city of San Francisco has taken an interest in
How Do You Make A Diet-Coke Float? 你能让无糖可乐浮起来吗? Heres an at-home experiment you can try. Take a can of classic Coca-Cola and a can of Diet Coke, and without opening either one submerge them in water. A deep sink or a bucket wi
Why Teflon Is Slippery? 1954年,法国工程师马克格雷瓜尔(Marc Gregoire)的妻子柯莱特(Colette)突发奇想,觉得丈夫用来涂在钓鱼线上防止打结的不粘材料特氟龙(Teflon)如果可以用在煎锅上,效果一定不错