标签：spectrum 相关文章
Hubble Detects Oxygen-Bearing Minerals on Moon 哈勃天文台探测到月球上拥有含氧矿物质 The orbiting Hubble observatory is usually aimed at extremely distant areas of the universe. But f
VOA2005（下）--环境科学探索
On June 20th, we observe World Refugee Day. It is an occasion to highlight the plight of refugees around the world, commend their resilience, and express gratitude to their hosts. 6月20日，我们纪念世界难民日。在这一天，我们着重强
VOA标准英语2017年(6月)
I have a 45, it's 45 plus High SPF, high protection, right? En, not exactly. That SPF number indicates protection from burning UVB rays, but says nothing about blocking UVA rays which can cause wrinkle, sunspots, and cancer. Rules proposed today wou
万花筒2007年
A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Sun's very center. It is here that is to be found the source of the energy that the
新东方背诵文选
STEVE INSKEEP, HOST: This week, the governor of Hawaii is expected to sign the world's first ban on sunscreen sales. Research shows chemicals in some sunscreens may harm coral reefs. So the ban is good for coral, but what about people and their skin?
2018年NPR美国国家公共电台7月
This is Scientific Amercian's 60 seconds sicence. I'm Ellie Wilkinson. Got a minute? If the side of Swiss cheese makes you melt, or the thought of a honeycomb gets you buzzing. You may suffer from a tripophobia, the most common phobia that you've pro
2014年Scientific American(二)月
The Color Of The Universe 宇宙的颜色 When we look up into the night sky it seems black, but scientists have observed something different. In this Moment of Science we discuss the color of the universe. 当我们仰望夜空的时候，它看上去
初学者听力文摘精选
Cilantro: Love It Or Hate It? On todays Moment of Science, well be sniffing our way through a controversial culinary conundrum: the great cilantro debate. According to scientists working at the Monell Chemical Senses Center, the smell of cilantro usu
英语听力文摘 English Digest
Nick Simeone In Iraq, the FBI is involved in trying to secure the release of civilians from 12 countries who have been taken hostage by Iraqi insurgents . Four Italian security guards are the latest f
VOA2004（上）--各类新闻
Mother, Son, Co-Write Childrens Book on Autism 母亲与儿子共同谱写自闭症儿童图书 Eighteen-year-old Burnie Rollinson has Asperger syndrome, an autism spectrum disorder. People with Aspergers have difficulty with communication, eye conta
2015年VOA慢速英语(四)月
New Book Examines the Power of Young Introverts 新书探讨内向青少年的力量 Speak up! Put yourself out there! American society generally places high value on being friendly and speaking freely. That can can worry introverts. Introverts are p
2016年VOA慢速英语(六)月
Over 10 percent of New Yorkers, nearly 425,000, are unemployed and looking for work, the highest rate in the three decades that records have been kept. The city's jobless numbers are expected to stay at ten percent or above through next year. And tha
VOA标准英语2010年(三月)
Navigation, 3-D Printing in Sensing Technology Lead to New Apps LOS ANGELES 3-D printing, high-speed navigation and a magic mirror are some of the technologies that have come from new computer chips with advanced spatial sensing. Technology startups
VOA标准英语2015年(九月)
Hello, everyone. It's been almost three weeks since I sent the American Jobs Act to Congress three weeks since I sent them a bill that would put people back to work and put money in people's pockets. This jobs bill is fully paid for. This jobs bill c
美国总统演讲视频
台湾籍旅美老师今天交给我们的句子是： Drunken mistakes aren't the only office hazards. There isn't just one species of creep, there's a whole spectrum. 酒后乱性不是办公室唯一的风险。也不是只有一种怪人，而是有
留美老师带你每日说英文
Who are being recognized here today at the commencement ceremony a federal magistrate. 你们也在今天的授学位典礼上得到了承认一位联邦行政司法官 A president of a prestigious international university and a US senator is a prett
公众人物毕业演讲
Science and technology 科学技术 Psychology 心理 Tall, dark and stable Wobbly furniture leads to a desire for emotional stability 摇摇晃晃的家具让人在情绪上追求稳定 CLEARLY, a persons decisions are determined by circumstances. 显
经济学人科技系列
Coincidentally, at about the time that Einstein was affixing a cosmological constant to his theory, at the Lowell Observatory in Arizona, an astronomer with the cheerily intergalactic name of Vesto Slipher (who was in fact from Indiana) was taking sp
万物简史
本期内容： Auticon, previously known as Mindspark, is one of only a handful of companies that cater exclusively for employees who are on the autistic spectrum. It was founded by Gray Benoist who, as the father of two autistic sons, saw few optio
夏说英语新闻晨读
Diarmuid: Next we talked to a Greg Ros. He said that online gaming provides a much cheaper form of entertainment. Greg: If we think about entertainment and look at that compared to the spectrum of entertainment the standard things that you see out th
英语时差8，16