标签：Ecosystem 相关文章
By Caty Weaver Broadcast: August 1, 2003 This is Steve Ember with the VOA Special English Environment Report. Last month a judge ordered the United States Army Corps of Engineers to begin to lower wat
VOA2003（下）-环境与健康
A Supreme Court decision concerning race and college admissions. It`s our first story today on CNN STUDENT NEWS. We are happy to have you watching. Back in 2006, 58 percent of voters in the state of Michigan decided that race shouldn`t factor into co
CNN2014年(四)月
Mount Everest looms in the distance. Its snow and ice-capped peak gleams in the sunshine. The Himalayan glacier is a fragile ecosystem, which environmentalists warn could soon disappear. Greenpeace says that as global warning increases temperatures a
自然百科2009年
By Nia Sutadi Santa Monica, California 30 April 2007 Orangutans are highly intelligent and are one of man's closest relatives. Found primarily in Indonesia, their name in English means People of the Forest. Just a century ago, their numbers were plen
2007年VOA标准英语（四月）
fur n. 毛皮；毛；软毛 Tibetan adj. 西藏的；藏族人的 n. 西藏语；西藏人；藏族人 antelope n. 羚羊 in danger 在危险中；垂危 endanger vt. 危害；使受到危险 die out 灭绝；渐渐消失 as a result of 作为（的）
高中英语词汇
Reporters: Yang Yong and Wang Xiaoyu China Construction America, also known as CCA, is a Chinese invested company. This firm has acclimated the contruction industry in America. Its secret to success is localization. Listen to the show and find out mo
2017CRI中国国际广播电台
Insects And Climate Change Its well known that big animals, like polar bears, are vulnerable to climate change. The Earth warms, polar ice melts, and the bears are out of luck. The same goes for tigers, sea lions, elephants. As the globe heats up and
英语时差8，16
Tucked away in the United Arab Emirates northernmost region, a very delicate experiment is underway to bring some luster back to the regions pearl industry. Since 2005, one company has been cultivating pearls commercially, the first such modern oper
国家地理2008年
核心句型： The phone was out of whack. 我的电话坏了。 whack是个拟声词，读音仿佛激烈碰撞时那种惊天动地的声音。out of whack这个短语的正确意思是：紊乱，不正常。因此，当美国人说The phone was
轻松日记商务职场篇
Ecological balance - astable balance in the numbers of each species in an ecosystem. In the ecosystem of the mouth this balance is brought about by competition and cooperation between the different or
医务英语
On the northern prairie of North Dakota, the day starts with a distinctive rhythm. Bison prepare for the mating season. The bulls bellow challenges that echo across the badlands. Prairie dogs bark shrill warnings at the approach of an intruder. You w
自然百科2010年
Bacteria Thrive on Ocean Plastic Debris It takes about six weeks for a plastic bag or bottle to ride the surface currents from the U.S. East Coast to the Sargasso Sea, in the center of the North Atlantic. The area is a gyre, essentially a big whirlpo
VOA标准英语2013年(七月)
濒危动物重新野放回归自然可能引发不良后果 Wild horses, oxen and reindeer are returning to Seberia for the first time in 10000 years. 这是10000年来野马、野牛及驯鹿首次回到西伯利亚。 Their new home is Pleistocene
VOA标准英语2016年(三月)
不法交易造成穿山甲濒临灭绝 Have you ever heard of a pangolin? 你听说过穿山甲吗? A lot of people haven't. 相信很多人都不知道。 It's also known as a scaly anteater. 它也被称为穿山甲(scaly anteater)。 Conservation
VOA标准英语2015年(十二月)
Researchers working for the World Wildlife Fund have warned that the effects of climate change pose a serious threat to rare species of wildlife discovered within the past year in Southeast Asia, including a fanged frog and a leopard-striped gecko. A
自然百科2009年
You might be driven by a fear of failure quite as much as a desire for success. Indeed, your conception of failure might not be too far from the average person's idea of success, so high have you already flown. 你们对失败的恐惧很可能与你们
名校励志英语演讲
With the 5G era just around the corner in China, leading mobile and tech officials in China are suggesting more partnership are going to be needed to help the new technology grow and develop. 5G technology is one of the issues that has generated inte
2018CRI中国国际广播电台
This is Scientific American 60-second Science. I'm Sophie Bushwick. Got a minute? Wolves and grizzlies sound like unlikely allies. But the resurgence of Yellowstone Park's canine population has helped the bears in a berry interesting way. In the 1990
Scientific American(八)月
Even today,black-necked cranes are treated with reverence and are welcomed by farmers as they land in the fields around the villages.Here, they perform their elaborate sky pointing rituals.After the dignified business of parading,they begin to forage
自然百科2010年
By Alisha Ryu Naivasha, Kenya 15 November 2006 Environmentalists and scientists attending a major U.N. climate change conference in Nairobi, Kenya are warning that Africa is significantly more vulnerable to the effects of climate change than any oth
2006年VOA标准英语（十一月)