标签：extinction 相关文章
DAVID GREENE, HOST: All right, let me give you a big reason to listen to this next story about a clam's metabolism - because the essential conclusion is it is better to be lazy. Here's NPR's Laura Wamsley. LAUREL WAMSLEY, BYLINE: Luke Strotz is a pal
2018年NPR美国国家公共电台8月
They survived the great China earthquake, and now they are about to embark on a mission of peace and unity. It's a busy time for these animals when it comes to panda diplomacy. The two giant pandas Tuan Tuan and Yuan Yuan, together their names mean u
万花筒2008年
(San Francisco,AP)Prehistoric human hunters,using spears and fire, drove many large animals to extinction. （美联社旧金山电）史前时期的猎人使用矛与火猎捕许多大型动物，迫使它们绝种。 About 13，000 years ago, large
赖世雄英语新闻听力通
Only last month President Xi announced that China will take steps to halt the domestic trade in ivory, 就在上个月习主席宣布中国会采取措施遏制国内象牙交易。 adding to the ban on ivory carving imports he announced in February.
欧美名人演讲
The plains zebra is a close relative of the quagga, extinct since 1883. But according to members of the Quagga Project in Cape Town, South Africa. The foal seen running with its herd of plains zebras is a quagga. His name's Harley and he was born in
自然百科2008年
A species of frog has been found alive on a farm in Australia more than 30 years after it was thought to have become extinct. Environment officials have said a thriving population of yellow-spotted bell frogs has been found in a remote creek in New S
VOA标准英语2010年(三月)
1. Nine people have been injured during a shooting on celebrated Bourbon Street. New Orleans police say the Sunday morning incident was carried out by two men who got angry with each other and began shooting. 2. The Iraqi government says its helicopt
美联社新闻一分钟2014(七)月
The discovery of an AIDS-like virus in koalas is raising newfound fears the animal may soon face extinction. KIDS, or Koala Immune Deficiency Syndrome, decimates the koala's ability to fight off infection and disease. Dr. Jon Hanger, the researcher w
VOA标准英语2010年(六)月
A discovery of a mummified forest that's between two and 10 million years old is giving scientists a new window on climate change. Joel Barker, a research scientist at the Byrd Polar Research Center at the Ohio State University, discovered the mummif
VOA标准英语2010年(十二)月
Indigestion Can Protect Africa's Lions African lions are increasingly hunting domestic cattle. And many of them are being killed as humans retaliate. Now, in Botswana, a pilot project is underway to save the lion by making cattle taste bad. The king
VOA标准英语2011年(九月)
Zimbabwe's wildlife conservation reputation has taken a knock in the past few years and there are fears the recent surge in the poaching of the black rhino will lead to the animal's extinction in the country. The Convention on International Trade in
VOA标准英语2009年(七月)
LOURDES GARCIA-NAVARRO, HOST: OK, now for some cute but worrying science from the animal world. The Santa Monica Mountains National Recreation Area posted a photo earlier this week that is insanely adorable. It's of a newly found mountain lion kitten
2017年NPR美国国家公共电台4月
Crop rotation is a recognized way to keep soil and food eco-system healthy. Now scientists are saying that rotation could be a useful tool in the sea. Researchers tracked the shallow water near shore species used for food-sea cucumbers. They'are easy
2015年Scientific American(五)月
Conserving wildlife is a struggle all governments face, but nowhere more sole than in China, where the worlds last female rafetus turtle (斑鳖)is about to be introduced to her new home. 600 miles and 17 hours into the journey, the team arrives at t
自然百科2009年
The tiny northern corroboree frog of Australia is only just hanging on. Populations of both the northern and southern corroboree frogs have declined catastrophically in the wild over the last two decades. The primary culprit is the deadly chytrid fun
自然百科2009年
Of all these creatures, the woolly mammoth is the undisputed symbol of the Ice Age. But what do we really know about how this giant lived. How did it use its massive spiral tusks? Modern-day elephants, the mammoths closest living relatives, may provi
探索与发现2012年
More than 125,000 western lowland gorillas have been discovered deep in the forests of the Republic of Congo, at least doubling their estimated population. Primatologists say the newly discovered gorilla population now puts their estimated numbers a
VOA标准英语2008年（八月）
Historic ivory burn covers the sky in smoke and ash President Uhuru Kenyatta set fire to over $172 million worth of illicit wildlife goods. The mass burning involved 105 tons of elephant ivory and more than 1 ton of rhino horn, believed to be the lar
英语PK台
台湾籍旅美老师今天交给我们的句子是： Many scientists believe that the extinction of dinosaurs was caused by an asteroid the size of a small town crashing into what is now Mexicos Yucatan peninsula. 很多科学家认为恐龙的灭亡
留美老师带你每日说英文
Topic1-new policy on School district entrollment The Ministry of Education has announced a new policy that states: for school admission, each school district will allow student enrollment to several schools, instead of one school district, one school
英语角-圆桌会议