They haven't changed because their environment has stayed the same. The water they live in bubbles up from deep in the earth, and so it's always the same temperature. But just meters away the environm

发表于:2018-12-07 / 阅读(64) / 评论(0) 分类 生命物语

They make perfect roof tiles, but these tiles occasionally reveal something extraordinary. Perfect snapshot s from 115 million years ago, back then, Solnhofen was part of a very still and salty tropic

发表于:2018-12-07 / 阅读(57) / 评论(0) 分类 欧洲自然写真

1. Ben Bernanke sees the beginning of the end of the financial crisis. The Federal Reserve chairman says economic activity in the US and around the world appears to be leveling out and the prospects for a return to growth in the near term appear goo

发表于:2018-12-15 / 阅读(134) / 评论(0) 分类 美联社新闻一分钟2009年(八)月

A: I need your help. B: How may I help you? A: I need to find a book. B: Which book is it? A: I need to find a reptile book. B: Youll find most of our reptile books in the childrens section. A: Where are the rest of the books located? B: The rest are

发表于:2018-12-16 / 阅读(52) / 评论(0) 分类 英语情景对话-邻居

I got the camera angle wrong. 我把相机角度弄错了。 That one is just amateur stuff, but what she was saying, as you could make out, was about neurons, with her hands were like that, 那是张业余作品,但是她说话的内容,你们能听

发表于:2018-12-19 / 阅读(52) / 评论(0) 分类 TED演讲教育篇

Pre-Listening Vocabulary turtle: a marine-dwelling (fresh or saltwater) hard-shelled reptile; used in some regions as a generic word for turtles, terrapins, and tortoises tortoise: a land-dwelling reptile with a dome-shaped shell streamlined: feature

发表于:2018-12-19 / 阅读(68) / 评论(0) 分类 Facts-事实

This is Whats Trending Today. The internet search company Google celebrated the 37th anniversary of Indonesias Komodo National Park with its latest Google Doodle. Google Doodles are special, short-term changes of the Google homepage that mark special

发表于:2019-01-02 / 阅读(136) / 评论(0) 分类 2017年VOA慢速英语(三)月

1. A four-year-old Texas girl is dead after being swept from her mother's arms Monday morning when a flash flood tore through their suburban Fort Worth mobile home park. The flood has forced dozens of people to flee parts of North Texas. 2. Police in

发表于:2019-01-08 / 阅读(128) / 评论(0) 分类 美联社新闻一分钟2007

189. Al Johnson-representative of the people阿尔.约翰逊人民的代表 represent-residue Al Johnson is a representative of the people. He represents the residents of the 8th Residential District in his city. Al is reputed to be above reproach in

发表于:2019-01-08 / 阅读(43) / 评论(0) 分类 胡敏托福词汇记单词

AS IT IS 2016-01-26 'Snowzilla' and Tian Tian the Giant Panda 暴风雪雪斯拉以及大熊猫天天_ This is What's Trending Today.... Many cities in the East Coast of the United States continue to dig out after record-breaking amounts of snow fell

发表于:2019-01-12 / 阅读(76) / 评论(0) 分类 2016年VOA慢速英语(一)月

But come we did, though reaching our present state of eminence has not of course always been straightforward. 但是,我们毕竟还是来了,虽然达到我们目前这样的卓越状态肯定不总是一帆风顺的。 Since life on land began,

发表于:2019-01-17 / 阅读(55) / 评论(0) 分类 万物简史

The symptoms of its bite are terrible. 遭受这种蠕虫叮咬的症状相当可怕。 The eyes of the patient become red and fiery, his tongue swells to an immoderate size, and obstructs his utterance; 病人眼睛变红或炙热,舌头过度肿胀

发表于:2019-01-17 / 阅读(61) / 评论(0) 分类 美国语文第五册

文本框: Despite only arriving in New Guinea 40,000years ago, humans were soon established throughout the island's maze of hidden valleys. Today, these people are known as Papuans, andtogether speak over 700 different languages - more than any ot

发表于:2019-01-21 / 阅读(47) / 评论(0) 分类 跟着英剧练发音

These plant eaters are no pushovers. They are no theyre no pansies. We have records, quite a few, of adult dinosaurian predators being killed by herbivores. It did happen. It happens today. Lions get kicked in the face and die from a single blow from

发表于:2019-01-23 / 阅读(75) / 评论(0) 分类 探索与发现2013年

By Paul Sisco Washington 17 December 2007 2007 was a year notable for further evidence about global warming, terrestrial and extraterrestrial discovery and scientific breakthroughs. VOA's Paul Sisco takes a look back at some of the top science storie

发表于:2019-01-31 / 阅读(73) / 评论(0) 分类 VOA常速英语2007年(十二月)

reel n. 一卷;胶卷 refer v. 提交,上呈 refinery n. 精炼厂,提炼厂 解析:refine v. 精炼,精制 reform v./n. 改革,创新 解析:reformation n.改革 refresh v.(使)精神振作 refre

发表于:2019-02-03 / 阅读(59) / 评论(0) 分类 英文语法词汇

1. President Obama met with Israeli prime minister Benjamin Netanyahu where the two leaders discussed middle east security. This is the first time in more than a year the two have met face-to-face. The leaders minimized their difference and insisted

发表于:2019-02-11 / 阅读(105) / 评论(0) 分类 美联社新闻一分钟2015(十一)月

For complex organisms, the average lifespan of a species is only about four million yearsroughly about where we are now. 对于复杂动物来说,一个物种的平均寿命只有大约400万年大致相当于我们人类迄今存在的时间。 Ex

发表于:2019-02-13 / 阅读(39) / 评论(0) 分类 万物简史

考研相似易混单词-对比记忆 applause n.喝彩;夸奖,称赞 applaud v.喝彩;称赞 plausible a.似乎合情理的,似乎可信的 acclaim v.欢呼,喝彩;n.喝彩 claim v.①要

发表于:2019-02-17 / 阅读(49) / 评论(0) 分类 考研英语

Genus (pluralgenera) and species had been employed by naturalists for over a hundred years before Linnaeus, 属和种,博物学家们在林奈之前已经使用了100多年; and order, class, and family in their biological senses all came into us

发表于:2019-03-04 / 阅读(150) / 评论(0) 分类 万物简史