侏罗纪搏击俱乐部 第125期:躺下等待猎物

Like all raptors, Utahraptor was one of the top predators of its time. 和所有迅猛龙一样，犹他盗龙是当时的顶级掠食者之一。 But unlike its cousins, this raptor was not built for speed. 不过跟它的亲戚们不同，这种迅猛

侏罗纪搏击俱乐部 第114期:阿尔伯特龙是原始的暴龙

These were big but really fast hunters. They were as bad as it got for a while. 这些巨大但速度很快的猎手。有一段时间它们要多坏有多坏。 Albertosaurus would have been a very fearsome predator. 阿尔伯特龙会是非常可怕的

侏罗纪搏击俱乐部 第110期:躺着等待未知的猎物

Utahraptors stayed on the migration routes of the herbivores, lying in wait for their unsuspected prey. 犹他盗龙埋伏在植食动物迁徙的必经之路上，躺着等它未知的猎物。 Utahraptor may have been more of an ambush predator. 犹他

侏罗纪搏击俱乐部 第106期:第一个冰河大陆块形成

Now, Ceratosaurus had appeared on earth long before the first Allosaurus showed up. 角鼻龙在地球上的出现远要早于最早的异特龙。 But towards the end of Jurassic, we find fewer and fewer skeletons of Ceratosaurus, but more and more

侏罗纪搏击俱乐部 第148期:无底洞穴意味着死亡

The lion's senses are keen.Its whiskers can pick up vibrations.So it can sense animals as small as a mouse in pitch darkness. 拟狮的感官很敏锐。它的胡须能感知振动。所以它能在漆黑一片的情况下感知到和老鼠一样小的

侏罗纪搏击俱乐部 第143期:靠摸样吓跑对手

The bear was 4 meters tall, and weighed nearly a ton. 短面熊站起来有四米高，重量接近一吨。 Its paws were the size of a human head and its claws were 16 centimeters long. 它的脚掌有人的头那么大，爪子的长度达十六厘米

国家地理:Mother Fish Mouthful 慈鲷鱼妈妈

When mom tells these babies it's a scary world out there, so be careful, she's saying a mouthful. Cichlid fish here in Africa's Lake Tanganyika have a big problem with predators. Other fish will do whatever it takes to get cichlid babies and gobbl

AP美联社一分钟新闻 2009-04-20

1. President Barack Obama says he has seen positive signs from both Cuba and Venezuela in his four-day trip to Central America, but says the test is in deeds not words. Obama said the signals provided an opportunity for frank dialogue on issues incl

VOA慢速英语2018 百年来澳大利亚野生动物第一次受到威胁

Threatened Australian Animal Back in the Wild for the First Time in a Century For the first time in more than a century, bilbies are running wild in Southeastern Australia. 一个多世纪以来，兔耳袋狸首次奔跑在了澳大利亚的南部地区

VOA慢速英语2015 在津巴布韦为更好的保护狮子而努力

AS IT IS 2015-03-16 Fighting for Lions in Zimbabwe 在津巴布韦为更好的保护狮子而努力 Conservationists are breeding lions in the Southern African nation of Zimbabwe. The wildlife experts hope to increase the lion population to keep the

美国国家公共电台 NPR Coyote In The Crosshairs

MICHEL MARTIN, HOST: We're going to spend some time now talking about two world championships. Now, you've probably heard about the World Cup. It starts this week. And if you haven't, we'll tell you more about it in just a few minutes. But we're gues

美国语文第五册 第96期:北美食米鸟(2)

Sometimes he pitches from the summit of a tree,begins his song as soon as he gets upon the wing, 食米鸟常常落在树梢，一旦梳理好翅膀，便开始亮开歌喉， and flutters tremulously down to the earth, as if overcome with ecstasy at

英语听力：自然百科 恐龙杀手

Scientists have confirmed for the first time that Australia was once home to a theropod dinosaur that was big, fast and terrifying, not unlike the Velociraptor featured in the movie Jurassic Park. It was an 1,100 pound meat-eating predator with three

英语听力：自然百科 大迁徙 Great Migrations—8

For the delicate monarch, it may as well be a trip to the moon. And yet somehow they do it, their tiny bodies attuned to a seasonal sundial and resonating to the invisible signature of the earth's core--its magnetic field. Around the planet, animals,

英语听力：自然百科 走进西藏 tibet—6

In this rugged and unforgiving terrain littered with fractured rock and ice-cold rivers, the slightest miscalculation may have fatal consequences. The snow leopard is the worlds highest living big cat. But theres another smaller predator that ranges

英语听力：探索发现 2012-09-21 长毛象王国 Mammoth—6

In one remarkable discovery recreated here, the head and hide of a large carcass was exposed a unique opportunity for scientists to tap some Ice Age secrets. The remains were of an extinct steppe bison, a longer-horned relative of the North American

科学美国人60秒 SSS 鲨鱼

Sharks aren't typically thought of as vegetarians. Or even omnivores. But about 10 years ago, scientists documented a dainty relative of the hammerhead shark, known as a bonnethead shark, consuming copious amounts of seagrass. 锤头鲨通常不被认为

VOA标准英语2011--California Bans Shark Fin

California Bans Shark Fin People in California can no longer eat the Chinese delicacy of shark fin soup. The Governor of California officially made it illegal to sell or possess shark fin. The ban is a part of a growing movement worldwide to save the

《荒野求生》之跟着贝尔去冒险第90期:沙漠生存指南

Desert-survival guides dictate that the best way to avoid heat and dehydration is to travel by night. 沙漠生存指南中写道 避免高温炽热和脱水的最好办法 就是在夜间行进 But this rough terrain is scarred by deep, unpredictabl

双语有声阅读：如何种植幸福

Step one: Plant yourself deep in a bed of faith, and pack it down solid and tight. Drench daily with positive thinking, and keep saturated just right. Mulch often with forgivenss, for this will help you grow. Quickly remove any seeds of worry, for th