标签：Ozone Layer 相关文章
I bought a new DVD player last weekend. When I got home and hooked it up, I realized that it was defective. I trudged back to the store to return it. Clerk: Next, please. Jeff: Hi, I bought this DVD player last Saturday and I'd like to return it. Cle
地道美语播客
This is AP News Minute. A group of bipartisan senators reached a deal on legislation to protect younger immigrants brought to the US from deportation. The group including Arizona republican Jeff Flake and Democrat Dick Durbin, has been working for mo
美联社新闻一分钟2018(一)月
as it is 事实上，实际上 be running out of 用尽，用完 beneath 在之下 capsule 容器 cause ...to 导致 （使处于的结果 ） collapse 坍塌 drill 钻孔 explosive 炸药 keep in touch with 与保持联系 layer 层 lose heart 失望，
新概念英语第二册单词MP3
Everyone has his inherent power, which is easily concealed by habits, blurred by time, and eroded by laziness. 每个人都有潜在的能量，只是很容易被习惯所掩盖，被时间所模糊，被惰性所消磨。 图片1
Daily English-2015.6
Look at this. This is raw milk straight from the cow, it smells different. Wow, and it tastes completely different. It's richer, has a different texture, and it's fuller. And if you look on the bottle, there's a layer of cream. Now, this is your stan
跟着英剧练发音
Heres something we tend to take for granted: drop a few ice cubes into a glass of water at room temperature, and in a few minutes the water will cool. How does this work? 有件事情我们总觉得理所当然：室温下把一些冰块放入水中，
初学者听力文摘精选
I have something pretty that sits on my windowsill in my kitchen. It's a shell from Hawaii. I'm not sure what kind of shell it is, or what it is called, but it certainly is something that I love to look at. My mother brought it back from her recent t
英语博客 A cup of English
By Parke Brewer Washington 30 January 2007 There are 32 teams in the National Football League and only two reach the coveted Super Bowl championship game each season. This Sunday it is the Chicago Bears and the Indianapolis Colts, playing in Miami, F
2007年VOA标准英语（一月）
Zoe Keating: A Symphony Unto Herself 音乐与技术的融合佐伊基廷 NEW YORK Avant garde cellist Zoe Keating has a unique sound fusing music with technology. The musical artist performed her work at the SubCulture club in New York City and wowe
VOA标准英语2015年(一月)
STEVE INSKEEP, HOST: When Hurricane Harvey dumped 50 inches of rain on Houston, the floodwater a drain somewhere. Much of it went to the Houston Ship Channel, and it brought along a lot of contamination. Now scientists are sampling the channel mud to
2017年NPR美国国家公共电台10月
Whales, seals and walruses stay warm in chilly water because they have a thick layer of blubber. We humans rely on something like blubberneoprene rubber wet suitsto spend time in cold water. But the thick versions for really icy water are heavy and u
2016年Scientific American(十)月
The same technology used to make prosthetic limbs is now being used to clone some of the world's earliest manuscripts from Mesopotamia, an area near modern-day Iraq. When the US invaded Iraq in 2003, thousands of artifacts were stolen from museums in
自然百科2009年
These destructive waves are as much a part of the reefs life cycle as the animals that inhabit it, and the corals that make it. But out here, there is another miracle. A hundred miles from the coast, In the midst of this huge flat sea, suddenly and w
自然百科2011年
To be honest, we are totally in awe of people whose job is to face these in real life. But the grenade made into this A-to-Z is the Rocket Propelled Grenade, or RPG, because that is what gave us one of the best booms in Mythbusters history. Alright,
探索与发现2013年
By Steve Schy Washington 04 September 2006 Andre Agassi waves to the crowd as he leaves the court after his loss to Benjamin Becker, September 3, 2006 American tennis icon Andre Agassi has closed out his 21-year career with a four setloss (7-6, 6-7,
2006年VOA标准英语（九月）
Stradivari's Violin Secret? His Talent A study in the journal Angewandte Chemie that looked at the varnish used in Stradivarius instruments found nothing unusual, leading the researchers to conclude that Stradivari was just a master craftsman who had
60秒科学
A long wait, on this Moment of Science. You might have heard the old adage that glass is a liquid, and if you go over to Europe and look at the stained glass windows in the cathedrals, you'll find them thicker on the bottom than the top because they
英语时差8，16
Why lips go dry？ 为什么嘴唇会干呢？ Lets start by reviewing the ways in which the surface of our lips is different from the surface of the skin on the rest of our bodies. Basically, our lips are made of the same mucus membrane that coats t
英语听力文摘 English Digest
It's a common enough sound in summer, after the wind finally picks up on a hot and humid afternoon, as the rain starts spattering down in big, fat drops--you're in for a full-blown thunderstorm. It's much less common in winter, even during a snow sto
英语听力文摘 English Digest
Although it is devastating to find out that Chicago is sinking, were only talking one millimeter a year. Thats four inches in a century, but only until the land in North America brings itself back into equilibrium. When glaciers covered Canada and th
英语听力文摘 English Digest