单词：polarization electric field
单词：polarization electric field 相关文章
Electric Fish 发电鱼 One way that Harold Zakon and his team find fish to study is to put electrical detectors into the bottom of murky streams in Venezuela. This works because certain fish emit pulses of electricity. Discover electric fish -- on tod
(科普英语)Earth and Sky
Amid all the tradition and history of Katmandu, a profound change is in the air. In fact, it might literally clear the air, reducing the choking pollution which has blighted this congested valley. The streets of the capital are gradually being taken
万花筒2008年
Scientists: Spiders Use Electric Fields to Move through Air Scientists have long wondered how spiders can use the webbing they make to fly. The 19th century English naturalist Charles Darwin commented on their behavior when very small spiders landed
2018年VOA慢速英语(七)月
今天我们要学的词组是field。 Field多指空旷的地方。比如原野， 旷野, 还有油田 - oil field, 战场 - battlefield，等等。作为动词， field有回答、答复的意思。 比如，白宫发言人常常要回答一些很棘
英语每日一词
A ban on electric bicycles in New York City is hurting delivery workers who depend on them to earn a living. Many of the workers are immigrants. Electric bicycles, or e-bikes, have foot-powered pedals like other bicycles. But they also have electric-
2018年VOA慢速英语(二)月
Cotton Field When I was a little bitty baby, My mama would rock me in the cradle, In them old cotton field back home. It was down in Louisiana, Just about a mile from Texarkana, In them old cotton field back home. And when them cotton ball get rotten
听英文歌曲解析歌词
UNIT SIX A field trip [00:07.34]Let's chant [00:09.82]Let's go on a field trip.There's so much to do. [00:17.21]We can collect leaves,and take picctures,too.We can watch the ants and see what they eat [00:24.92]Let's go on a field trip.It's quite a t
人教版小学英语五年级
You're in the market for a new car. You want something environmentally responsible, but you don't want to give up fun. Now you don't have to. But it comes at a cost. Rebecca Ward | Washington DC 24 March 2010 Hot. Hot and green. That's because the Te
VOA标准英语2010年(三月)
今天要学的习惯用语都包括这个关键词: field。 Field这个词一个普通的意思是野外或田野。今天要学的第一个习惯用语是： have a field day。刚才说过field最普通的意思是野外，所以a field day早在十
美国习惯用语
Official figures from the Ministry of Transportation show emissions from car exhaust account for 31 percent of the country's total air pollution. In an effort to bring that figure down, the central government has been supporting a series of subsidies
2015CRI中国国际广播电台
Automakers are rolling out their new electric vehicles at the 2018 Beijing Motor Show, the motor industry's biggest sales event this year. Carmakers expect new growth in China's market despite the looming threat of a trade war between China and the U
2018CRI中国国际广播电台
Motional Induction Last time, we talked about motional induction , a phenomenon by which the ocean generate s a magnetic field. It works like this: earth has its own magnetic field. The ocean has plenty of charged atoms in it, in the form of dissolve
英语听力文摘 English Digest
BEIJING, Sept. 6 (Xinhuanet) -- Scientists from Tufts University of the U.S. have created the world's smallest electrical motor in a single molecule. The finding was published in the journal Nature Nanotechnology on Monday. In the research, scientist
英语新闻
科学家发现宇宙膨胀的证据 WASHINGTON, March 17 (Xinhua) -- U.S. astronomers announced Monday they have captured the first images of gravitational waves, or ripples in space-time described as the first tremors of the Big Bang in which the u
英语新闻
The biggest cities in China are pressure cookers for youth starting out on their careers. 对于那些打算在自己职业生涯大展拳脚的年轻人而言，中国一线城市就好比是 高压锅。 Here are some tips on what to expect if you
实用英语
The Eye of the Dung Beetle A number of animals, including honeybees and butterflies, use sunlights polarization in their navigation s , but the dung beetle is the first animal ever discovered to use moonlights polarization to guide its travels. Polar
英语听力文摘 English Digest
According to statistics, more than 27-thousand electric vehicles have been sold in the 25 cities around China that are conducting electric vehicle trials. Among the vehicles, 23-thousand are serving the public service sector, but only four-thousand f
英闻天下
[00:02.48]Ok... 好了 [00:03.96]The X10's are online 这台X10已经连上网了 [00:06.44]Gentlemen, I am now about to send a signal from this laptop through our local ISP 先生们 接下来我要从这台笔记本发出信号 通过本地ISP [00:
听电影学英语-生活大爆炸