单词:stream-sediment
[网络] 水系沉积物
单词:stream-sediment 相关文章
[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
[00:05.10]Read the diary. [00:09.13]Tuesday,October 2nd cloudy [00:16.22]This morning we climbed the mountains. [00:19.23]今天上午我们爬山了. [00:20.41]We were very tired,but we were very happy. [00:25.63]我们非常累,但很开心. [00:27
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
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
(MA) Look at our topographical map and you'll see that the middle third of the North American continent --- from the Rocky Mountains almost to the Mississippi River --- is pretty flat. This is the Great Plains. This kind of area is sometimes called
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
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
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
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
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
What then of manned space exploration? 那载人的空间探索呢? The government recently announced plans to return to the moon by 2024. 美国政府最近宣布了2024重返月球的计划。 The successful conclusion of that mission will result
The 9/11 terrorist attack in New York not only killed people. It also killed local businesses, too, as many residents and companies moved out of the devastated area. 10 years on things are finally recovering. One Chinese restaurant has been part of t
The geology of the planet 地球的地质情况 Welcome to the Anthropocene 欢迎来到人类纪 Humans have changed the way the world works. Now they have to change the way they think about it, too 人类改变了世界运行方式,现在,人类不
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
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
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
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?
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