单词：Super-Houttuyninum
单词：Super-Houttuyninum 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
-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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By Paula Wolfson Washington 01 July 2007 Russian President Vladimir Putin has arrived in the United States for talks with President George W. Bush aimed at easing tensions between their two countries. VOA's Paula Wolfson reports the meetings are taki
2007年VOA标准英语（七月）
Texas Health Officials Study West Nile Outbreak Technicians in the state's mosquito laboratory are examining mosquito corpses sent from all over Texas, at the Texas Department of Health Services Laboratories in the capital of Austin. State Laboratori
VOA标准英语2012年(八月)
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
Its now September, and the elk/ have made their way down to graze where the grass on the riverbank is still green, and they can browse the nutritious shoots of young willow trees. The males are now upping their game. This bull urinates on himself to
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
All over Yellowstone, male elk are challenging each other for dominance. The sound of Yellowstone's autumn. They're trying to win the admiration of females and gather them into a hareem, only then do they stand a chance of mating with them before win
自然百科2012年
To stay is to face the certainty of snow and wolves. To go offers the chance of an easier life, but the uncertainty of the world beyond Yellowstone. Every autumn, thousands of elk do leave Yellowstone, and as they go, they cross an invisible line out
自然百科2012年
Groves of aspen/ all turn at the same time, each grove descended from one tree interconnected by roots, color coordinated. As cold air sinks further down from the mountains, it brings autumn mist to Yellowstones valleys. It was in the autumn of 1870
自然百科2012年
Now he must gather the last of his strength. The rival wants to take him on. The aim is to get an antler point into his neck. But they are evenly matched. Neither can penetrate the other's guard. Now, it's all about power. A well-aimed thrust or a br
自然百科2012年
By now the pronghorn have pushed further than any of Yellowstones animals, out of forests, through farmland and down into the wide prairies at the foot of the Rocky Mountains themselves. Their search for winter grazing takes them over a hundred miles
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
Ranchers will tolerate elk as long as they don't compete too much with their cattle. But as the elk move in, their old enemy follows them out of Yellowstone, an animal that's more difficult for ranchers to accept. In their minds, fear of the wolf run
自然百科2012年
HEALTH REPORT – November 6, 2002: Study Finds Autism Increase in California By Jeri Watson This is the VOA Special English Health Report. Autism is a mysterious and complex brain disorder that begin
健康与环境
By Shally Zomorodi Los Angeles, California 11 December 2006 watch The Little Man Abbas Kazerooni as a young boy A young boy forced to live on his own by his parents. That's the story author Abbas Kazerooni shares in his new book, The Little Man. But
2006年VOA标准英语（十二月）
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
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