The cormorant gives up for now. The bird has been foiled by the clarity of the water, the very thing that enables the manatee to thrive. The light through these waters helps plants flourish, and manatees are strict vegetarians. They can eat a hundred

发表于:2018-12-03 / 阅读(89) / 评论(0) 分类 自然百科2009年

What Animals Are Most Like People 什么动物和人类最像 Once again we go to the mailbag. A listener writes: 我们又一次打开邮箱。一位听众写到 Dear A Moment of Science, Besides chimps, which animals do you think are the most like

发表于:2018-12-28 / 阅读(51) / 评论(0) 分类 初学者听力文摘精选

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

发表于:2018-12-28 / 阅读(51) / 评论(0) 分类 初学者听力文摘精选

-Bella: I know what you are. -Edward: Say it. Out. Loud. Say it. -Bella: Vampire. -Edward: Are you afraid? -Bella: No. -Edward: Then ask me the most basic question. What do we eat? -Bella: You won't hurt me. Where are we going? -Edward: Up the mounta

发表于:2018-12-28 / 阅读(77) / 评论(0) 分类 跟着美剧练发音

Animals Help Others Survive In The Wild Even without the guidance of organized religion, some animals instinctively know that its a good thing to help others. A Helping Hand 图片1 For example, when a bird spots a predator, instead of just flying aw

发表于:2018-12-31 / 阅读(54) / 评论(0) 分类 英语听力文摘 English Digest

The Komodo dragon is the largest living lizard and a fearsome predator. Its long been thought that some of its hunting prowess was due to a mouth teeming with bacteria. An attack that didnt immediately kill the dragons victimoften a deer, but someti

发表于:2019-01-02 / 阅读(118) / 评论(0) 分类 60秒科学

神奇女子与鲨鱼和谐共游 Woman Swims With Sharks in Perfect Harmony The woman can hold her breath for six minutes while swimming with the predators.

发表于:2019-01-05 / 阅读(78) / 评论(0) 分类 英语新闻视频

175. The great white tiger大白虎 preceding-premise I am a hunter, a predator of predatory animals. I have a preference for rare, prehistoric animals thought to be extinct. I am the preeminent hunter of my kind. I have had few predecessors, and the

发表于:2019-01-08 / 阅读(131) / 评论(0) 分类 胡敏托福词汇记单词

LULU GARCIA-NAVARRO, HOST: When Julia Roberts read the book Wonder by R.J. Palacio, she knew she wanted to star in its adaptation. So she called her agent. And as luck would have it, the producer on the project had worked with her on Pretty Woman. Wo

发表于:2019-01-16 / 阅读(69) / 评论(0) 分类 2017年NPR美国国家公共电台11月

Voice 1 Welcome to Spotlight. Im Christy VanArragon. Voice 2 And Im Joshua Leo. Spotlight uses a special method of broadcasting. It is easier for people to understand - no matter where in the world they live. Voice 1 A beautiful orange and white clow

发表于:2019-01-19 / 阅读(60) / 评论(0) 分类 环球英语 Spotlight

Because of their sophisticated senses and remarkable physique, white tips are great reef hunters. At night, they turn it into an art form, better than all other sharks. We expect sharks to be hunters, but after dark, the reef itself becomes one giant

发表于:2019-01-22 / 阅读(46) / 评论(0) 分类 自然百科2014年

This habitat into connect under all of vital to the well being of the Great Barrier Reef. This is the little known story of one of the most complex and spectacular Eco-systems on earth. The Great Barrier Reef is over 2,000 kilometers long which means

发表于:2019-01-22 / 阅读(60) / 评论(0) 分类 自然百科2014年

You've never heard of worm grunting? Well,it's a practice of driving a wooden stake into the ground and vibrating it with a flat piece of iron. The vibrations run through the soil and cause nearby earthworms to burrow up to the surface, where they ca

发表于:2019-01-22 / 阅读(60) / 评论(0) 分类 英语时差8,16

Bears have long claws, but they get worn down by the daily grind, moving around and rooting for food. They are just not sharp enough to rip into the bisons hide. To solve this puzzle, we need to look to Africa. African buffalo are similar in size to

发表于:2019-01-23 / 阅读(61) / 评论(0) 分类 探索与发现2012年

For these baby animals, it was a race to grow up over the brief summer to be tough enough to face the winter. One young animal that died in its first winter was discovered in the permafrost of an Alaskan gold mine. Recreated here are the best-mummifi

发表于:2019-01-23 / 阅读(106) / 评论(0) 分类 探索与发现2012年

Probably the only way a T-Rex could successfully and safely bring down Triceratops is by having at least one other individual Tyrannosaur that would ambush it from the back while the one in front is keeping the attention of the Triceratops. Working a

发表于:2019-01-23 / 阅读(58) / 评论(0) 分类 探索与发现2013年

7Freeze! JackandAnniejumpedoutofthecanoe. Therainwasstartingtofallharder. Themonkeytookoff.Heswungfromtreetotree,headinguptheriverbank. HescreechedandbeckonedtoJackandAnnie. Hewantsustofollowhim!saidAnnie. No!Wehavetofindthespecialthing.Thengohome!

发表于:2019-01-28 / 阅读(57) / 评论(0) 分类 汪培珽儿童英文分级书单《神奇树屋》

Health Care Let Neandertals Punch above Their Weight Health care isn't just a benefit of the modern human age. It goes way back. All the way, even, to the Neandertals.We imagine they would have been cleaning wounds, dressing wounds. Penny Spikins, a

发表于:2019-02-03 / 阅读(92) / 评论(0) 分类 2018年科学美国人10月

Well, yael, the average weight difference between women and men is one reason why women tend to get intoxicated faster, but theres more. Women also tend to have more fat and less muscle than men, even tall women. This is significant because muscle ti

发表于:2019-02-16 / 阅读(46) / 评论(0) 分类 英语听力文摘 English Digest

Russian troops have used armoured vehicles to force their way into a large military airbasenear the Crimean city of Sevastopol. Ukrainian servicemen of the Belbek base have beenrefusing to surrender. The BBCs Ian Pannell was there. Thereve been extra

发表于:2019-03-04 / 阅读(93) / 评论(0) 分类 英语听力精选进阶版