Robotics, 3-D Printing, Drones Lead 2015 Tech Innovations

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

Puke Collector at Roman banquets 豪宴上的拾污者

Here's a room full of ravin reveler s, looking remarkably a lot of people in the pub next door. Roman wine was deadly stuff when the party really got going, the slaves, who I'm calling Puke Collectors

快口说英语047

No. 47 This is a lovely desk Conversation 1 This is a lovely wood desk. Yes, it's an antic. Conversation 2 Do you have any antic dolls? Yes, we have quite a collection of fine porcelain dolls from the early nineteen hundreds. Conversation 3 I saw a b

英伦广角 打喷嚏形成的气流移动速度飞快

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

66. The Cat and the Saucer

An antiques collector was passing a small shop when he noticed a cat on the sidewalk out front, licking milk from a saucer. The man immediately realized the saucer was very old and valuable. He steppe

音乐咖啡厅:五一Seven days

Andreas Johnson - Seven days Seven days away Think I thought I heard you say Where I want to be Is with you my sweet mystery Seven days ahead For a week I stay in bed Now where I want to be Is with you my sweet mystery Don't leave me broken Don't le

SSS 2008-02-04

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

VOA标准英语2011--Cavers Explore Mysterious Hidden Wonders

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慢速英语 2007 1003a

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常速英语2008年-Collector Says Memorabilia Helps Americans Reme

By Siri Nyrop Washington 25 March 2008 Technology has changed the way presidential candidates campaign for the White House. But their goal is the same as it has been since America's first presidential election: attracting voters to choose one particu

VOA标准英语2012--Dallas Attacks West Nile Virus by Land, Air

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2010年-Dry Water Makes Waves in Fight Against

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

【英语时差8,16】浮云

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

一次咳嗽会产生2万个病毒

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

The Cat and the Saucer

An antiques collector was passing a small shop when he noticed a cat on the sidewalk out front, licking milk from a saucer. The man immediately realized the saucer was very old and valuable. He stepped into the shop with an uninterested look and aske

经济学人236:金属,自己愈合吧 Metal,heal thyself

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，

英语小达人 278 Tax Collector

Tax Collector 收税员 Little Johnny was playing with his father's wallet when he accidentally swallowed a quarter. He went crying to his mom, choking on the quarter. 小约翰尼在玩爸爸的钱包时，不小心吞下了一枚25分硬币。硬币卡

英语听书《海底两万里》第232期 第18章 太平洋下四千里(4)

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

英语听书《海底两万里》第233期 第18章 太平洋下四千里(5)

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

“老爷车”的英文怎么说

It is evident that many Canadian baby boomers are indulging in vintage cars they could not afford when they were young。 显然许多在二战后生育高峰期(1945-1952)出生的加拿大人都对老爷车情有独钟，他们年轻时是买不起的