标签：Signals 相关文章
It starts with a blip, a beep, a noise, a pattern, a signal. It could be anything - ink on paper, machine data, or even the words flowing through your minds right now. Signal generators play an important role in testing devices we use every day. The
英语解说豆知识2011年
Health Report - Study of Paralyzed Man May Offer Hope for New Treatment 健康报道 - 瘫痪者有望重新自行行走 This is the VOA Special English Health Report. 这里是美国之音慢速英语健康报道。 Rob Summers of Portland, Oregon,
2011年VOA慢速英语(六)月
Iraqis Hope Kerry Visit Revitalizes Ties Iraqis reacted positively to the visit Sunday by Secretary of State John Kerry. In Baghdad's Karada district, coffee-shop owner Raid Fahmi said stronger ties with the Americans would help Iraqis deal with thei
VOA标准英语2013年(三月)
US Waivers Could Send Mixed Signals on Use of Child Soldiers STATE DEPARTMENT President Barack Obama has waived restrictions against providing military aid to six countries cited this year for using child soldiers. The countries, mostly in Africa, we
VOA标准英语2014年(十月)
When you think of birds, you probably imagine their dazzling plumage or their beautiful songs. But since the days of Darwin, scientists have figured that individual species of birds should not have both: theyd either be drab virtuosos or eye candy th
2014年Scientific American(七)月
本单元是关于清静的夜晚的对话。 Alice: Ah, something smells fantastic! You're a whiz in the kitchen Paul. Paul: Thank you. Ellie: Yes, my daddy's a wonderful cooker. He's the bestest daddy in the whole wide world. Alice: And you're the luckiest 5 yea
公寓伙伴
Even a visit to the grocery store can overload the senses. It's noisy, bright and smelly. The nose is working overtime. High up inside, specialized nerves dangle in the airstream. They detect chemicals in the air and send an electrical signal to the
国家地理2007年
Steve Magellan, world-famous adventurer, has been missing for two days. The man who soared around the world by himself in a balloon took off in a single-engine airplane from a private airport in Nevada. He left at noon for a three-hour flight. The we
365个英语简短小故事
Mind-Controlled Prosthetics Are Getting Closer Scientists and engineers are making substantial advances towards the ultimate goal in prosthetics creation of limbs that can be controlled by the wearers mind. Thanks to sophisticated sensors capable of
VOA标准英语2015年(五月)
Egyptian President's Iran Trip Signals New Priorities Egyptian President Mohamed Morsi goes to Iran Thursday, the first visit by an Egyptian leader since Iran's 1979 Islamic revolution. Morsi's trip breaks an alienation dating back to Egypt's recogni
VOA标准英语2012年(八月)
Researchers Develop Artificial Legs That Mimic Real Ones 研究人员开发拟真人腿 When we walk, most of us don't give the process a second thought. Tiny electrical signals contract the leg muscles to help the joints move. All of it is controlle
VOA标准英语2015年(六月)
ARI SHAPIRO, HOST: President Trump said today that he is likely to support a bipartisan bill that would change federal law to make it easier for states to legalize marijuana. That's in contrast to the position of his attorney general Jeff Sessions at
2018年NPR美国国家公共电台6月
NOEL KING, HOST: All right. Here in the U.S., when we talk about gun violence, we usually talk about homicides. But two-thirds of gun deaths in this country are caused by suicide, by people deliberately harming themselves. As North Country Public Rad
2018年NPR美国国家公共电台7月
Too little salt makes for(导致) a bland(温和的；乏味的) meal. But too much is offensively briny(海水的；咸的). Now, scientists have discovered why too much tastes bad. The work is in journal Nature. As the previous podcast noted, the c
Scientific American(二)月
And became billions of times stronger than our sun's, now as the star span, it channelled out radio signals from its north and south poles, signals that swept past earth with every rotation of the star, this was the source of the mysterious pulses, s
探索与发现2015年
We Are What We Smell我们正如我们的气味所反应的那样 Pheromones: theyre those chemical signals often associated with attraction. But there are many chemical signals we give offincluding ones that might signal alarm, aggression or other e
VOA常速英语2013年(九月)
By George Dwyer Washington 02 November 2007 Afghanistan, a nation once renowned for its artists and intellectuals, has again begun to sprout a vibrant arts movement. For years, artistic expression was stifled in the war-torn nation by religious extre
VOA常速英语2007年（十一月）
今天我们要学的词是call for。Call for, 意思是呼吁，要求。法德两国领导人呼吁欧洲大陆尽快结束债务危机。 German and French leaders called for quick action on the continent's debt crisis, 五家国际媒体最近签署
英语单词荟萃
the previous show Don and Yael discussed communication from other worlds. Well, as it turns out if E.T. does try to phone it will be much more complicated than can you hear me now? D: Okay, Yael, so suppose one day scientists pick up a transmission t
英语时差8，16
When people lose a hand, the part of the brain dedicated to that area receives no input at all. It becomes inactive. But the areas around it are still getting signals all the time. Some of those signals seem to leak over into the unused area. Just by
英语时差8，16