单词：breeding for heterosis
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>She’ll be comin’ round the mountain she comes. She’ll be comin’ round the mountain she comes. She’ll be comin’ round the mountain She’ll be comin’ round the mountain. She’ll be comin’ round the mountain she comes. She’ll be driv
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Throughout the winter, adults come and go from their traditional breeding colonies. Antarctica is home to 2 million Kings. In this one colony alone, there are 600,000 of them. These engaging chicks ar
冰雪童话
There are twice as many giant pandas as before. [00:06.73]Section 1 Before You Read [00:09.56]PAIRWORK [00:11.23]A national treasure is something that is [00:13.77]important to a country's history or culture. [00:17.43]Think of three more of China's
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Last year, I took up the hobby of birding or birdwatching after my friend took me out to observe some birds out near the lake. Basically, birding involves observing birds in their natural habitat. (Actually, you don't need to leave your backyard to o
空闲时间—In Your Free Time
RIO DE JANEIRO, Feb. 24 (Xinhua) -- Various Brazilian cities are turning to mobile apps in the fight against the Aedes Aegypti mosquito, which transmits the Zika virus, chikungunya and dengue, a local official said. While an app does not replace the
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1. Workers trying to prevent a meltdown at a Japanese nuclear power plant are being allowed to return to their jobs. That follows an evacuation overnight when radiation levels became too dangerous. The death toll from Friday's earthquake and tsunami
美联社新闻一分钟2011(三月)
This is the VOA Special English Agriculture Report. Scientists are working to develop crop plants that can reduce the amount of water used for agriculture. Almost sixty percent of the world's freshwater withdrawals from rivers, lakes and other water
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Voice 1 Welcome to Spotlight. Im Rena Dam. Voice 2 And Im Liz Waid. Spotlight uses a special English method of broadcasting. It is easier for people to understand - no matter where in the world they live. Voice 1 There is a large square stone near a
环球英语 Spotlight
Tasmanian Devils, pygmy-possums and native parrots are just some of Australia's threatened species. But thanks to a successful breeding season, one animal sanctuary is optimistic for the future survival of these creatures. Our reporter Li Dong has th
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From tip to tip, its wings stand eight feet. This superb blighter can soar almost e* 24 hours a day. Waiting in this bustling, the troublous of hundreds of thousands of birds, her mate shores up the nest from last year's breeding. And after seven lon
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歌词如下： She'll be coming round the mountain, When she comes,(Toot, toot!), She'll be coming round the mountain, When she comes,(Toot, toot!), She'll be coming round the mountain, She'll be coming round the mountain, She'll be coming round the
英语儿歌274首
歌词如下： She'll be coming round the mountain, When she comes,(Toot, toot!), She'll be coming round the mountain, When she comes,(Toot, toot!), She'll be coming round the mountain, She'll be coming round the mountain, She'll be coming round the
英语儿歌274首
神探夏洛克第二季第二集_8 谢了 Ta. 请出示通行证 Pass, please. 谢谢 Thank you. 你有巴斯克维尔的证件? You've got ID for Baskerville?! 怎么搞到的? How? 不是这地方专有的 我哥哥的证件 It's not specific to t
神探夏洛克第二季
This is AP news. President Barack Obama encouraged job secrets in Pennsylvania, saying the latest employment figures are just the start what he hopes is good news. New statistics show only a moderate shielding of 11000 jobs last month. The unemployme
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We do a show based on somebody's mother. You know, my mother said she saw ,and wed end up doing it. Who has comments about the stories they just heard? Raise your hand. We go to beauty shops where we all, you know, got our hair done and got your nail
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The International Atomic Energy Agency is making a push for an unusual type of technology, using radiation to produce higher yielding and hardier plants. Lisa Bryant has more on the technology that the IAEA says could help reduce hunger affecting mi
VOA标准英语2008年(十二月)
A: How's John? B: He's very sick. The doctors are keeping him for several days. A: Have you visited him yet? B: I'm going there today. Would you like to go with me? A: I would like to, but I think I'm coming down with a cold. B: Then you should stay
推理类英语听力
模仿文本： Well, The EU's Home Affairs commissioner has warned of staggering levels of corruption in member countries.Presenting the first EU-wide anti-corruption reports,Cecilia Malmstrom said the problem eroded trust in democratic institutions
英音模仿秀