标签：斑点鬣狗 相关文章
You may have spotted V-shaped squadrons of geese heading south this fall. But for many migrantslike smaller songbirdsnighttime is the right time, when it comes to migration. Winds are gentler. And darkness helps them avoid airborne attacks. Of course
2016年Scientific American(十二)月
This video taken at 3:30 a.m. shows the nine-year-old girl that led police on a chase from Bell Road in Antioch down I-24 to Smyrna. You can see her alert and pointing around and awe of what's going on around her. Police say her grandmother called to
万花筒2009年
Don Walling brought friends and family to the Brooklyn Bridge last Friday, so they could see him propose to the love of his life, Gina. What started as a real life fairytale moment quickly turned to horror, as you can clearly see on the Port Jeff Sta
万花筒2009年
And it is time again for Story Core. This traveling oral history project is recoding the stories of everyday Americans. And today we have memories of a real life--Rosie the Riveter. Dorothy Kelley helped to build ships in May during War World Ⅱ, a d
2006年NPR美国国家公共电台
And We want to tell you about the security scare that created upheaval at another American airport delaying thousands of travellers and the problem : A 65- year-old woman who had a gun in a bag, and then disappeared into the terminal. She was arreste
万花筒2012年
【今日基础词】 Local 【Transcript】 An elderly woman and her little grandson, whose face was sprinkled with bright freckles, spent the day at the zoo. Lots of children were waiting in line to get their cheeks painted by a local artist who wa
听基础单词练听力
Why Do Zebras Have Stripes? For many animals, camouflage is an important part of survival. A leopards spotted coat and a polar bears white fur help them blend into their respective environments. But a zebras bold stripes cant help to disguise it in i
英语听力文摘 English Digest
This valley is closed off to the east by a sheer wall 2,000 meters high. 这座山谷东面被一堵高2000米的陡壁封住。 We arrived there on May 28, and the Nautilus lay no farther than 150 kilometers from Ireland. 5月28日，我们到达了那
《海底两万里》中英双语有声读物
First of all, the Nigerian secret service raided a hideout, the Boko Haram hideout in Kaduna. This led to the arrest of five men, among them a guy called Abu Mohammed who was the leader of kidnap gang. Now after being interrogated for two days, the g
万花筒2012年
Brazilian aircraft searching for an Air France jet that disappeared with 228 people onboard in an Atlantic storm have spotted debris in the ocean. Members of Brazilian Pelican military squad prepare to depart from Campo Grande, Mato Grosso do Sul, t
VOA标准英语2009年(六月)
Brazilian aircraft searching for an Air France jet that disappeared with 228 people onboard in an Atlantic storm have spotted debris in the ocean. 搜索法国航空公司班机的巴西飞机在大西洋海上发现了一些碎片。这架飞机上有
VOA双语新闻 2009年6月
A volcano that started erupting on one of the Galapagos Islands last week may be changing the landscape of the island. According to the Associated Press, rangers and tour guides spotted lava flowing down the northeastern flank of the Cerro Azul Volca
自然百科2008年
We are taking a ride through the Milky Way. First, we are traveling to a place where stars are born. Even at the speed of light, 196,000 miles a second, the journey lasts for 1,500 years. We've arrived at the vast glowing cloud of gas and dust, the g
自然百科2011年
Because these two bull mammoths both had broken tusks, they could have fought at closer quarters than they would do normally. Twisting and turning, they became locked in a deadly embrace. Even more bizarre, this twist of fate then caused a third fata
探索与发现2012年
Where did it all start to go wrong for Ericsson ? Well I think it's important to understand the, the overall development here at the market place. It's, It's we see no change in that. We have fairly few full networks in the world, increasing traffic
商业报道2007年
Ricardo: Im making one more pass and if we dont see a sign for the hotel, Im heading back into town. Im tired and I want a shower. Marsha: Im sure well find it. When I talked to the desk clerk, she said that the hotel is hidden away behind some trees
地道美语播客
Mom's Genes Make Some Giraffes Hard to Spot Just like humans have virtually unique sets of fingerprints, every giraffehas a unique set of spots. Not that those spot patterns really help wildlife biologists identify their study subjects in real time.
2018年科学美国人10月
How Eggs Get Their Color 鸟蛋颜色的形成 Depending on the species, bird eggs can be any color rang ing from chickens plain white to a robins blue, streaked , spotted, bright, pale, and anything in between. We take a look at some of the reasons
英语听力文摘 English Digest
Vesta 灶神星 You can see the planet Jupiter on a clear night, but Jupiter is humongous. Mars and Mercury are smaller than that, and you can see them, too. Wait a minute, our moon is even smaller, and you can see that. Could anything smaller than t
英语听力文摘 English Digest