单词:extinct radioactivities
单词:extinct radioactivities 相关文章
L: do you believe in UFO's? B: sure. A UFO is just a space vehicle from another planet. If you think about it, our space shuttles are UFOs. L: I've never thought about it like that before. B: I've seen photos of UFOs in America before, but they've al
[00:01.94]Fresh water [00:03.71]Rivers, lakes and wet-lands are sources [00:06.23]of fresh water,not only for humans, [00:08.50]but for wildlife too. [00:10.35]Due to pollution and climate change, [00:12.60]about 50% of the world's fresh water habita
[00:00.86]Another endangered species, [00:02.83]the Yangtze Dolphin,is China's only fresh-water [00:06.53]dolphin and is sometimes called' the panda [00:09.35]of the Yangtze River'because it is so rare. [00:13.11]its numbers are decreasing for severa
本讲为2005年下半年新的教学内容,请对照教材听录音! plant species are not the only forms of life (threatened with ___ (extinct) in the rainforest). Threaten … with …. He thre
Idiom: Monkey see monkey do 有样学样,一个人模仿另一个人做某事 Hit the book: Endangered Be forbidden Throughout Dominant Extinct Assimilation
[00:00.00]1.M:It looks like it'll take us about six hours to drive from here to Chicago. [00:06.22]W:It would be more relaxing to take the train.But I guess we should watch our expenses. [00:13.98]Q:What does the woman imply? [00:17.21]2.M:This heat
By David McAlary Scientists have discovered fossils of an ancient, tiny species of human in an isolated part of Indonesia. They are bones from what they say is a smaller version of the now extinct imm
Some dinosaurs were really huge, and now we may have a better way to estimate just how heavy these giants were. Researchers have developed a method to weigh dinosaurs based on laser scans of their skeletons. The study is in the journal Biology Letter
[ti:UNIT 3 Amazing Animals Lesson 19: The Zoo Is Open!] [0:00.675]UNIT 3 第三单元 [0:02.475]Amazing Animals 令人惊异的动物 [0:05.118]Lesson 19: 第19课: [0:06.974]The Zoo Is Open! 动物园开放了! [0:09.392]A Zoo Plan 一个动物园
By George Dwyer Washington 30 May 2007 Ivory-billed woodpecker A North American bird believed to have become extinct in 1944 has apparently re-appeared. The Ivory Billed Woodpecker was rediscovered in February 2004 when it was reportedly spotted twic
By Phil Mercer Sydney 21 May 2008 Australian and U.S. scientists have successfully inserted a gene from the extinct Tasmanian tiger into a mouse embryo. They say the result has been bone and cartilage from the extinct marsupial developing inside the
The famous 19th-century fairy tale collector Wilhelm Grimm suggested fairy tales dated back thousands of years. Scientists now support his theory and claim that many of the fairy tales we know and love could be over 4,000 years old. Anthropologist Ja
I believe that for his escape he took advantage of the migration of a lock of wild birds. 我想小王子大概是利用一群候鸟迁徙的机会跑出来的。 On the morning of his departure he put his planet in perfect order. 在他出发的那天
题目: At various times in the geological past, many species have become extinct as a result of natural, rather than human, processes. Thus, there is no justification for society to make extraordinary efforts, especially at a great cost in money a
英语中Man这个字的拼写和意思都非常简单,是指男人,但是如此简单的一个词搭配不同的词组成短语,就能表达丰富的含义。今天我们就来学一些有关Man的俚语表达。 1. man of the world 阅历丰富
The United States of America's Declaration of Independence would be signed in the last half-inch. 美国的独立宣言签署在最后的半英寸。 Or if we compared geologic time to a woman stretching her arms to a span of six feet, 如果我们将地
Hello, and welcome back to Listen to English. I hope you all had a good summer break. Today, I will tell you about an expression which you often see in the newspapers making a comeback. What does it mean, to make a comeback? Imagine that you are a po
It only takes a few seconds of the original 1943 'English by Radio' theme tune and I'm dreaming about 1940s Britain. Crackly violin melodies build to a strong, confident finale, reassuring the listeners that we are safe in the hands of the BBC. Now,