单词：Spirillum volutans
单词：Spirillum volutans 相关文章
I remember quite clearly now when the story happened. [00:02.14]我仍清晰地记得故事发生的时候。 [00:04.28]The autumn leaves were floating in measure down to the ground, [00:06.45]秋叶翻飞，飘落一地。 [00:08.62]recovering the l
零距离李阳疯狂英语口语
Autumn is such a cool time of the year. Of course it is cool because the temperatures drop after summer. But it is also cool because its such a great time of the year. I love the changing of the leaves. The different autumn colours are one of natures
纯正英语一分钟
05 关于克隆人计划的争论 DATE=2-21-01 TITLE=SCIENCE REPORT - Cloning Humans BYLINE=George Grow (start at 59
科技之光
Faiza Elmasry | Washington, DC 29 March 2010 Cell biologist Elaine Fuchs is known for revolutionizing the study of skin and for her support of women in science. Children, Elaine Fuchs says, have a natural fascination with science. She remembers that
VOA标准英语2010年(三月)
-The joyous Mid-Autumn Festival was celebrated on the fifteenth day of the eighth moon, around the time of the autumn equinox（秋分）. Many referred to it simply as the Fifteenth of the Eighth Moon. This day was also considered as a harvest festi
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To Avoid Humans, Tigers Take Night Shift Tigers dont have a reputation for being very accommodating, but a new study challenges the long-held conservation belief that these large carnivores need lots of people-free space. This new understanding is es
VOA标准英语2012年(九月)
By Cache Seel Cairo 22 May 2007 A prominent Iranian-American academic, imprisoned two weeks ago in Iran, has been accused by Iran's Intelligence Ministry of plotting a revolution. Haleh Esfandiari has been barred from leaving Iran since December when
2007年VOA标准英语（五月）
Tunisia is observing three days of mourning for people killed in the revolution that ousted the president a week ago. As many as one hundred people may have died since the start of the uprising in December. The former president, Zine el-Abidene Ben A
2011年VOA慢速英语(一)月
Agriculture Report - Inventor of Weed Eater Started a Revolution 农业报道 - 巴拉斯开启割草机革命 This is the VOA Special English Agriculture Report. 这里是美国之音慢速英语农业报道。 George Ballas of Houston, Texas, lived
2011年VOA慢速英语(七)月
By Brian Wagner Miami 26 July 2007 Cuba's acting president, Raul Castro, Thursday led celebrations marking a 1953 rebel attack that helped launch the Cuban revolution. In Miami, VOA's Brian Wagner reports it was the first time in decades the ceremoni
2007年VOA标准英语（七月）
Hundreds of Zimbabweans from political parties, civil rights organizations, churches and ordinary citizens gathered Wednesday for the first public hearings towards a new constitution organized by the transitional four-month-old government of nationa
VOA标准英语2009年(六月)
Egyptians are cleaning up after celebrations that followed the resignation of Hosni Mubarak, Egypt's leader of nearly 30 years. The military, which assumed control of the country, on Saturday said Mr. Mubarak's Cabinet will remain in place for now wh
VOA标准英语2011年(二月)
The sun has revitalized this place, and now there are more living things here than at any time of the year. The summer has brought visitors too who are enjoying Yellowstone at its most vibrant. As the sun now starts to get lower in the sky, the rich
自然百科2012年
Up to 150 at a time, a fifth of its entire body weight. Then it flies as much as 15 miles away, and drills the nuts into the ground in sets of ten, placing a stone on top of the stash to mark the site. It goes back for more and more. Over the autumn,
自然百科2012年
They may be a little safer here. But the food in the forest is far less nutritious than on the riverbanks. If they want to eat well and avoid wolves this winter, they'll need to keep on moving. As the elk move gradually downwards, they follow the riv
自然百科2012年
It cuts branches into more manageable lengths and then swims them down a network of purpose-built canals towards the dam. The pond to give this beaver protection from predators, and the canals allow it to forage far into the forest, carrying many tim
自然百科2012年
The return of the wolf will always be controversial. But evidence is now emerging that wolves are far more important than anyone imagined, especially back in the heart of Yellowstone. It's nearly the end of October. The cold autumn nights have brough
自然百科2012年
By Andre de Nesnera Washington 16 October 2007 Georgian President Mikhail Saakashvili has been in office for almost four years following the heady days of the Rose Revolution. But it appears Georgians are disillusioned with his tenure. In this backgr
2007年VOA常速英语（十月）
The 15th day of the 8th lunar monthThe joyous Mid-Autumn Festival was celebrated on the fifteenth day of the eighth moon, around the time of the autumn equinox(秋分). Many referred to it simply as the Fifteenth of the Eighth Moon. This day was also
英美文化
Many analysts say Georgians are disillusioned with President Mikheil Saakashvili. Our correspondent looks at the state of Georgian politics, more than five years after the Rose Revolution. Georgian President Mikhail Saakashvili (file photo) Mikheil
VOA标准英语2009年(九月)