单词：picodroplet
单词：picodroplet 相关文章
Robotics, 3-D Printing, Drones Lead 2015 Tech Innovations The waning years advances in computer hardware and software, mechanical devices, sensors and artificial intelligence brought the world another step closer to the robotic future. Electric cars
VOA标准英语2015年(十二月)
越来越多的人居住在异国他乡。有三到四个身世来源的作家皮柯．耶尔(Pico Iyer) 思索着家的意义，旅行的乐趣和静止的平和。
TED公开课:地球村
Voice 1 Welcome to Spotlight. I'm Liz Waid. Voice 2 And I'm Mike Procter. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 The sounds of traffic! You can h
环球英语 Spotlight
Sneeze and cough particles form a cloud whose turbulence pulls in surrounding air, which allows the goop to maintain buoyancy and move farther than expected. Cynthia Graber reports. Gordon: When you have to sneeze or cough, do it into the bend of you
英伦广角
SCIENCE REPORT - January 2, 2002: New Cold Drug By Nancy Steinbach This is the VOA Special English Science Report. American researchers say they have developed the first drug that can effectively trea
科技之光
This is Scientific Americans' 60-Second Science. I'm Chelsea Wald. Got a minute? Vinaigrette dressing: when you shake it little vinegar droplets scatter through the oil, but when you put it down, the droplets merge and the dressing separates. That's
Scientific American(二)月
Cavers Explore Mysterious Hidden Wonders Caves have a subconscious hold on our imaginations - for our ancestors, they were not just shelter from the elements but also symbols of the womb, gateways to the underworld, places of wonder and mystery. Not
VOA标准英语2011年(八月)
This is the VOA Special English Health Report. Scientists continue to look for ways to deal with the deadly form of bird flu virus. Medical workers care for a bird flu patient in Medan, Indonesia, last year Researchers in Singapore, for example, hav
VOA慢速英语2007年（十）月
Dallas Attacks West Nile Virus by Land, Air The aerial and ground fumigation programs are blanketing around 1,400 square kilometers of the county, but don't target all mosquitoes. Laura McGowan, who works with Clarke, the company contracted to carry
VOA标准英语2012年(八月)
Ben Carter Powdered material called dry water, could provide a new way to store carbon dioxide in an effort to fight global warming. Dry water looks a lot like fine white sand, which isn't surprising since what makes it dry is that each tiny water dr
VOA标准英语2010年(九)月
Fact: liquid water is heavier than air. Fact: clouds, which consist of water droplets and ice crystals, seem to hover in the air. One final fact: the water droplets in a typical cloud together weigh many tons. Which raises a question: how do clouds s
英语时差8，16
Vieques Controversy May Persist After the Bombing Ends Michael Bowman Miami 18 Jun 2001 22:05 UTC Protests continued Monday on the Puerto Rican island of Vieques, days after the Bush administration an
VOA2001-国际风云（1）
一次咳嗽会产生2万个病毒 The next time you cough or sneeze, there is good reason to cover your mouth. As many as 20,000 viruses are expelled in an average cough, which may be sufficient to infect many people - particularly those who are not
实用英语
Japanese designer Pico has combined her love of cats and handbags to create highly realistic purses. The bags are shaped like kitties with whiskersand tails. Each cat-bag is priced at about $500 to $700, but buyers dont seem to mind the steep pricing
阅读空间
Metal, heal thyself 金属，自己愈合吧 Materials science: Researchers have devised an ingenious way for the damaged surfaces of metals to repair themselves when they come to harm 材料科学：研究人员构想出了一种新颖独特的方法，
经济学人综合
Lana Del Rey 微电影《Tropico》！电影艺术赋予了这个倾倒众生的女人一个展示灵魂的机会，这是你无法在平时见到的美丽躯体，意味深长的镜头切换唤醒了我们对于神秘之美的好奇，玄妙的音乐如
流行英文歌曲
What's more, I've detected those falling and rising currents that make up the ocean's true breathing. 此外，我又注意过那些由上而下和由下而上的水流，形成真正的海洋呼吸作用。 I've seen a molecule of salt water heat up
《海底两万里》中英双语有声读物
They absorb the marine salts, they assimilate the solid elements in the water, 它们吸收了海中的盐，消化了水中的固体物质， and since they create coral and madrepores, they're the true builders of limestone continents! 它们是真正
《海底两万里》中英双语有声读物