音标:[stri:m ˈsedimənt əˈnɔməli:] ;
沉积物导常

发表于:2018-11-29 / 阅读(424) / 评论(0) 分类 迪斯尼儿歌第一集

[00:35.11]Would you like to go outside with me? [00:40.28]Listen and read [00:44.04]Today is Saturday.It's sunny and windy.Tom doesn't need to go to school. [00:54.31]He gets up early.He wants to go outside to play with his parents. [01:03.76]Tom:Mum

发表于:2018-12-13 / 阅读(275) / 评论(0) 分类 小学英语陕旅版五年级

This pump has been changed out before. This is the starboard side. Back in August of 2010, we did a pump rr for a different failure. That was actually a failure of the pump. This is a valve inside the pump module itself. And so, this particular pump

发表于:2018-12-15 / 阅读(367) / 评论(0) 分类 美联社新闻一分钟2013(十二月)

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Theres a Native American site in Ohio that appeared to be a fort. But recent discoveries by archaeologists at the University of Cincinnati show thats n

发表于:2018-12-24 / 阅读(290) / 评论(0) 分类 Scientific American(九)月

Roughly 1,000 years ago, Europe enjoyed several centuries of balmier average temperatures. Dubbed the Medieval Warm Period, it was the last time before the present that agriculture could flourish in Greenland. This era also provided fodder for countl

发表于:2018-12-24 / 阅读(272) / 评论(0) 分类 Scientific American(十一)月

About 110 million years ago, a large plant-eating dinosaur covered with sharp points walked the land. Called a nodosaur, it is now the best example of its kind ever found. This new species of dinosaur is being called a one-in-a-billion discovery. Rec

发表于:2019-01-02 / 阅读(290) / 评论(0) 分类 2017年VOA慢速英语(五)月

By Barbara Schoetzau Washington 28 September 2007 A private U.S. foundation has launched a $100 million initiative to strengthen health systems in Africa. From VOA's New York Bureau, correspondent Barbara Schoetzau reports the initiative will support

发表于:2019-01-07 / 阅读(353) / 评论(0) 分类 2007年VOA标准英语(九月)

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This'll just take a minute. As scientists delve deeper beneath the oceans surface, they find bizarre creatures that have adapted to harsh and extreme environments. Now comes a new o

发表于:2019-01-08 / 阅读(322) / 评论(0) 分类 Scientific American(四)月

Don't change horses in the middle of the stream to jump on the bandwagon 美国的民意测验显示,布什总统落后于民主党候选人克林顿。这使人想起在十九世纪美国内战期间

发表于:2019-01-09 / 阅读(374) / 评论(0) 分类 美国习惯用语

Lake Sediment Could Better Date Ancient Finds Radiocarbon dating is the best-known and most widely used method to determine the age of organic material, such as bone or wood or plant matter. All such material contains radioactive carbon atoms, known

发表于:2019-01-14 / 阅读(278) / 评论(0) 分类 VOA标准英语2012年(十月)

In polar regions where the magnetic field is / weakest, auroras glow in the sky. These dazzling displays of colored lights form when solar particles slam into gases in our atmosphere causing them to glow. The stronger the solar wind, the more dramati

发表于:2019-01-22 / 阅读(335) / 评论(0) 分类 自然百科2011年

Blockson's computer model reveals that at the South Atlantic Anomaly, the magnetic field isn't just weaker than anywhere else on the planet. It's actually reversed polarity. There is a patch on the core in the South Atlantic where things are not poin

发表于:2019-01-22 / 阅读(280) / 评论(0) 分类 自然百科2011年

SAN FRANCISCO, April 19 (Xinhua) -- YouTube announced Tuesday that the much-anticipated British royal(王室) wedding of Catherine Middleton and Prince William will be live streamed on the website' s live channel. Next Friday, the live stream will fo

发表于:2019-02-03 / 阅读(337) / 评论(0) 分类 英语新闻

Volunteers, farmers and local government in Pennsylvania community work to clean up waterways. Rosanne Skirble | Lititz, Pennsylvania 30 November 2009 Watch: Skirble report Windows Media Lititz Run prior to restoration with eroded stream banks and fe

发表于:2019-02-05 / 阅读(314) / 评论(0) 分类 VOA标准英语2009年(十二月)

LOS ANGELES, Oct. 31 (Xinhua) -- A passenger rocket plane developed by Virgin Galactic's crashed on Friday after suffering an in-flight anomaly during a powered test flight over the U.S. state of California, the commercial company said on Twitter. 新华

发表于:2019-02-05 / 阅读(342) / 评论(0) 分类 英语新闻

CANBERRA, Oct. 14 (Xinhua) -- Australian scientists have made the alarming discovery that sea levels have risen more in the past century than at any other comparable period in the past 6,000 years. Researchers from the Australian National University

发表于:2019-02-06 / 阅读(292) / 评论(0) 分类 英语新闻

Saying Good-bye to Cambridge Again --by Xu Zhimo 再别康桥 徐志摩 Very quietly I take my leave As quietly as I came here; Quietly I wave good-bye To the rosy clouds in the western sky. The golden willows by the riverside Are young brides in the

发表于:2019-02-18 / 阅读(349) / 评论(0) 分类 阅读空间

世界本没有长难句,修饰成分多了,便有了长难句。 阅读速度大部分来于短时间内理解长难句的能力。 大家在看长难句的时候,多思考,一个句子为什么这么长,常见的修饰成分到底有哪些?

发表于:2019-02-18 / 阅读(331) / 评论(0) 分类 托福英语

Baby, when I met you there was peace unknown I set out to get you with a fine tooth comb I was soft inside, there was somethin' going on You do something to me that I can't explain Hold me closer and I feel no pain Every beat of my heart We got somet

发表于:2019-02-25 / 阅读(296) / 评论(0) 分类 美国乡村音乐

[00:27.68]checkmate 将军! [00:32.28]again?! 又来?! [00:32.64]Obviously,you're not well suited for three-dimensional chess. 很显然 你不适合玩三维国际象棋 [00:36.84]Perhaps three-dimensional candy land would be more your speed. 你的水

发表于:2019-03-16 / 阅读(528) / 评论(0) 分类 听电影学英语-生活大爆炸