标签：predators 相关文章

温馨夜读 PART1 05 A Friend In Need 患难真情

[ti:] [ar:] [al:] [by:] [00:00.56] A Friend In Need 患难真情 [00:08.32]Brownie and Spotty were neighbor dogs who met every day to play together. [00:15.00]Like pairs of dogs you can find in any neighborhood, [00:18.24]these two loved each other a

发表于:2018-12-03 / 阅读(75) / 评论(0) 分类 温馨夜读

SSS 2010-05-26

This is Scientific American's 60-Second Science, I'm Karen Hopkin. This'll just take a minute. What do a carnivorous sponge, a lobular yam and a flat-faced psychedelic frogfish all have in common? They're among the Top 10 Species first described in 2

发表于:2018-12-24 / 阅读(57) / 评论(0) 分类 Scientific American(五)月

SSS 2009-03-27

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. If youve ever popped open a jar of the pickled fish, you know that herring like to stick together. Actually, its something they do naturally, even before

发表于:2018-12-24 / 阅读(131) / 评论(0) 分类 Scientific American(三)月

英文原版对话1000个:1140 Marine Biology

Mike: So Dusty, we were talking earlier, and you're telling that you're into marine biology, and that's kind of your background. So, tell me a little bit about why you like - what's your fascination with marine biology? Dusty: Well, the main thing is

发表于:2018-12-25 / 阅读(104) / 评论(0) 分类 原版英语对话1000个

17 Evolution of Sleep

17.Evolution of sleep Sleep is very ancient. In the electroencephalographic sense we share it with all the primates and almost all the other mammals and birds: it may extend back as far as the reptiles. There is some evidence that the two types of sl

发表于:2019-01-02 / 阅读(350) / 评论(0) 分类 英语范文背诵20篇

看看最奇怪的新物种有哪些?(有声)

What do a carnivorous sponge, a lobular yam and a flat-faced psychedelic frogfish all have in common? Theyre among the Top 10 Species first described in 2009. Thats according the International Institute for Species Exploration at Arizona State Univer

发表于:2019-01-02 / 阅读(56) / 评论(0) 分类 60秒科学

SSS 2008-08-14

This is Scientific American's 60-Second Science. I'm Karen Hopkin . This will just take a minute. Unless youre talking about killer bees, its hard to imagine a situation in which killers and bees would be related. But it turns out that scientists are

发表于:2019-01-08 / 阅读(80) / 评论(0) 分类 Scientific American(八)月

SSS 2008-11-06

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Why bother with sex? Its a question thats bugged biologists since they first noticed that some critters do it and some dont. The answer theyve come up wi

发表于:2019-01-08 / 阅读(89) / 评论(0) 分类 Scientific American(十一)月

SSS 2011-10-12

This is Scientific American's 60-Second Science. I'm Sophie Bushwick. Got a minute? Jiminy Cricket may not actually hold the door open for his lady friends, but he can still be chivalrous: researchers from the University of Exeter discovered that whe

发表于:2019-01-08 / 阅读(97) / 评论(0) 分类 Scientific American(十)月

SSS 2012-04-12

This is Scientific American, 60-second science. I'm Cynthia Graber.This will just take a minute. When an animal faces a predator, its senses go into overdrive. So scientists wondered, could human anxiety be an evolutionary legacy to protect us agains

发表于:2019-01-08 / 阅读(88) / 评论(0) 分类 Scientific American(四)月

NPR 2010-05-05

An American has been formally charged with five criminal counts in connection with the failed car bombing last weekend in New York City. Attorney General Eric Holder says charges involve terrorism and use of weapons of mass destruction. NPR's Dina Te

发表于:2019-01-08 / 阅读(69) / 评论(0) 分类 2010年NPR美国国家公共电台5月

阿拉斯加鲸鱼死亡数量有所上升

Whale Deaths On the Rise in Alaska 阿拉斯加鲸鱼死亡数量有所上升 American scientists have reported a sharp increase in the number of dead whales found in the Gulf of Alaska. From May through August, 30 whales washed up along the coast of

发表于:2019-01-12 / 阅读(120) / 评论(0) 分类 2015年VOA慢速英语(九)月

经济学人165:齿状物所记

Science and technology 科学技术 Palaeontology 古生物学 Remember the tooth 齿状物所记 A link is made in an ancient ecosystem 古生态系统的一环 WHO ate whom in the food chains of the past is rarely clear. 过去的食物链中谁吃谁

发表于:2019-01-26 / 阅读(57) / 评论(0) 分类 经济学人科技系列

经济学人122:动物行为 滴定进食

Science and Technology Animal behaviour Drip-feeding 科技 动物行为 滴定进食 Ecology raids the techniques of chemistry 生态学里应用上了化学技术。 BIOLOGISTS are sometimes accused of physics envyand there is truth in this accusat

发表于:2019-01-26 / 阅读(97) / 评论(0) 分类 经济学人科技系列

经济学人99:古代生态系统中的线索

Science and Technology Palaeontology Remember the tooth 科技 古生物学 牙齿的痕迹 A link is made in an ancient ecosystem 古代生态系统中的线索 WHO ate whom in the food chains of the past is rarely clear. 在古代谁以吃谁为生是

发表于:2019-01-26 / 阅读(64) / 评论(0) 分类 经济学人科技系列

经济学人251:海洋生态 欢迎来到塑料星球

Science and technology 科学技术 Marine ecology 海洋生态 Welcome to the plastisphere 欢迎来到塑料星球 What is pollution to some is opportunity to others 对一些人意味着污染对另一些人却意味着是机会 SINCE 2008 geologi

发表于:2019-02-03 / 阅读(59) / 评论(0) 分类 经济学人科技系列

托福口语不再结巴需注意六点

1. 运用总分总的结构 Your listeners will understand your talk better if you organize what you say in a logical sequence or linear pattern. This means that you tell the listeners what you are going to talk about and then go through the points y

发表于:2019-02-05 / 阅读(48) / 评论(0) 分类 托福英语

New dinosaur species found in east China

JINAN, May 14 (Xinhua) -- Chinese scientists said Saturday that they have found a new species of giant theropod dinosaur in the eastern province of Shandong. The new species, described as a close relative of Tyrannosaurus rex (T. rex), has been named

发表于:2019-02-05 / 阅读(87) / 评论(0) 分类 英语新闻

托福口语表述要连贯

1. 运用总分总的结构 Your listeners will understand your talk better if you organize what you say in a logical sequence or linear pattern. This means that you tell the listeners what you are going to talk about and then go through the points y

发表于:2019-02-18 / 阅读(59) / 评论(0) 分类 托福英语

托福口语考试中的“隐形杀手

杀手一号：主谓一致 以下是学生课上答题的答案，大家能看出来这个同学的答案哪里错了? Imagine that a guy drive along the high way where have a lot of billboards advertising cars. One billboard advertise a car called

发表于:2019-02-20 / 阅读(55) / 评论(0) 分类 托福英语
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