单词：water film dedustor
单词：water film dedustor 相关文章
In 2008 astronomers discovered surprising amounts of water molecules where planets were forming near young stars. But how, they wondered, could those molecules survive? They should have been destroyed by ultraviolet radiation. In theory, planetary du
Scientific American(十二)月
Words That Are Their Own Opposites And now, Words and Their Stories, a VOA Learning English program about American expressions. When you are learning a language, context is everything. Here, context means the words around another word or phrase that
2015年VOA慢速英语(六)月
RACHEL MARTIN, HOST: Time now for a story that forces you to suspend reality - but it's worth it. The story is about a secret Cold War laboratory. A young woman works there. She's one of the janitors who cleans up after the experiments. She can't tal
2017年NPR美国国家公共电台12月
旱灾的成因与影响 Its signs are subtle and slow: the earth dries; water levels fall; the rains do not come; and the land is gripped by drought. At its most basic, a drought occurs when more water is used than isreplenished. It is a balance bet
自然百科2016年
Experiencing a Drought Fabian: How long do you think this drought is going to last? Lia: I have no idea, but Im not worried. I grew up in the desert. Not having enough precipitation was just a fact of life. Fabian: Yes, but people here arent used to
2015年ESL之日常生活
Its signs are subtle and slow: the earth dries; water levels fall; the rains do not come; and the land is gripped by drought. At its most basic, a drought occurs when more water is used than is replenished. It is a balance between supply and demand,
国家地理2008年
太阳能电池板能通过自发电脉冲震落其灰尘，以确保最大限度的获得光照。 Imagine giant fields filled with photovoltaic solar panels, soaking up rays. The best spots to put such panels are obviously sunny, with little rain.
60秒科学
Water Blankets Forming Planets A study in the journal Science finds much more molecular water in regions where planets are forming around young stars. The mechanism to keep the water from being destroyed by UV radiation appears to involve some of the
60秒科学
The film Dark Water directed by Walter Salice opened over the weekend. It is the latest in a wave of American remakes of Japanese horror-films. In fact two of the most successful horror movies in recent years were adaptations of films from Japan: Th
2005年NPR美国国家公共电台
有句话说的好：云中谁寄锦书来，相知何必曾相见。 《北京遇上西雅图2》其实它的副标题《不二情书》才是正片片名。这次女神不再是文青拜金女，摇身一变风情万种个性飒爽的赌场公关;吴
英美文化
Mr. Rabbit Kills a Wolf One day all the beasts of the forest came to one place. All the big beasts came, and all the little beasts came. There were horses and cows and rabbits and foxes and ducks and mice and birds, and all the other living things. T
趣味英语
'Last Call' Sounds Water Alarm in Dry World You dont have to be a scientist to understand if you take more water out of the bathtub than you put into the bathtub, the bathtub will eventually go empty, marine biologist Tim Barnett says in the film. Th
VOA标准英语2012年(五月)
Nearly one billion people around the globe lack access to clean, safe water. It's a common problem in many parts of the developing world, but its severity and human impact are not widely known, according to experts at the Pulitzer Center on Crisis Re
VOA标准英语2011年(三月)
ROBERT SIEGEL, HOST: Reservoir Dogs, Memento, The Blair Witch Project and the Coen brothers' debut film, Blood Simple, all have one thing in common. They premiered at the Sundance Film Festival. My co-host Kelly McEvers has more. KELLY MCEVERS, HOST:
2017年NPR美国国家公共电台1月
With 'Hell Or High Water,' Jeff Bridges Returns To The American West FARAI CHIDEYA, HOST: Jeff Bridges became a cult hero playing The Dude in The Big Lebowski, but he's made a career in movies set in the American West. He was Rooster Cogburn in the C
2016年NPR美国国家公共电台8月
Chapter 5 - The retreat From Smolensk the troops continued to retreat, followed by the enemy. On the tenth of August the regiment Prince Andrey commanded was marching along the highroad past the avenue leading to Bald Hills. Heat and drought had cont
有声英语文学名著
Clouds, they are fluffy, white and full of mystery. Although scientist may have better handle on clouds, even they don't know at all. Because the new study can show that atmosphere gases can help clouds form in a way no one had ever considered. That'
Scientific American(二)月
But,but it still doesn't help,because it gets in every cavity.Yeah. 但是 但是还是不管用 因为水从哪都能进去 对 Well,and your character doesn't seem to mind, 不过你的角色好像不怎么介意 you just spit the water out.yeah,sp
艾伦脱口秀
台湾籍旅美老师今天交给我们的句子是： Water left outside can also start growing algae and host mosquito larvae, which will make you sick and is gross to think about, but not as gross as thinking about the dust inside your house landi
留美老师带你每日说英文