绝迹放射性

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

发表于:2018-11-30 / 阅读(155) / 评论(0) 分类 生活英语情景口语

[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

发表于:2018-12-13 / 阅读(165) / 评论(0) 分类 北师大版高中英语模块8(选修)

[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

发表于:2018-12-13 / 阅读(222) / 评论(0) 分类 北师大版高中英语模块8(选修)

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

发表于:2018-12-15 / 阅读(127) / 评论(0) 分类 自考英语(一)78讲

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

发表于:2018-12-27 / 阅读(133) / 评论(0) 分类 趣味青春英语

[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

发表于:2018-12-30 / 阅读(95) / 评论(0) 分类 英语四级听力练习集锦

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

发表于:2019-01-03 / 阅读(164) / 评论(0) 分类 VOA2004(下)--健康科技

Rob: Hello! Im Rob, this is 6 Minute English - and today, I'm joined byYvonne. Hello, Yvonne. Yvonne: Hi Rob! Rob: Today, were talking about seed banks a place where the seeds from all kindsof plants are carefully stored. Unfortunately, researchers a

发表于:2019-01-07 / 阅读(129) / 评论(0) 分类 六分钟英语

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

发表于:2019-01-08 / 阅读(195) / 评论(0) 分类 Scientific American(六)月

关于地震的演讲稿 Now the most important and sad thing during the whole county is the earthquake happening in qinghai province yushu city. It is not long away from the Wenchuan earthquark , Haiti earthquark and all the scenes made us feel clos

发表于:2019-01-08 / 阅读(102) / 评论(0) 分类 英语演讲

[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

发表于:2019-01-09 / 阅读(276) / 评论(0) 分类 河北教育初中英语(初中起点)八年级下册

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

发表于:2019-01-11 / 阅读(180) / 评论(0) 分类 2007年VOA标准英语(五月)

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

发表于:2019-01-13 / 阅读(140) / 评论(0) 分类 VOA标准英语2008年(五月)

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

发表于:2019-01-22 / 阅读(184) / 评论(0) 分类 英语生活新闻

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

发表于:2019-01-29 / 阅读(120) / 评论(0) 分类 小王子

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

发表于:2019-02-01 / 阅读(137) / 评论(0) 分类 GRE英语

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

发表于:2019-02-06 / 阅读(117) / 评论(0) 分类 实用英语

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

发表于:2019-02-13 / 阅读(86) / 评论(0) 分类 TED演讲教育篇

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

发表于:2019-02-19 / 阅读(213) / 评论(0) 分类 听播客学英语

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,

发表于:2019-02-21 / 阅读(74) / 评论(0) 分类 英语听力精选进阶版
学英语单词
aerosor
Air Heaters
american natural gas association
ammonia-alkali process
angle spider
apparent distance
arbutamine
ataxitic
atmospheric gases
barnton
be emptied of
beach mat
britsh
bundled cutting
calcium ferrite
canned vagetables
capillarity correction
cat-cracker
ceratium horridum claviger
cinchonain
clear declaration
cofinality
commandador
cross magnetizing
drug of inferior
easy-peasiest
equalizing piston
er-?
Erythroxylon coca
eye sight
faulchions
forward passes
frhling
full flow heat exchanger
fuse-failure alarm
game show
gathers
gaultheria adenothrix maxim.
Gram determinant
ground fracturing
high-inversion fog
imperative conception
incidental frequency modulation
internet standards document
k.j
ketmies
klooster
kordofan (kurdufan)
ligher
linear-logarithmic intermediate frequency amplifier
long boled stand
magnification of eyepiece
makes the news
married into
Martinize
matherly
metopantrum
metric trait
nonsurvivor
nosedives
P-tolyl isobutyrate
parasequential
pedigree cattle
pepperoncini
petty pilferage
phytostearin
Platanoidea
polyester tire
porcicide
powdered oil
procedural bias
product separation
professionalized
programmer defined macrocommand
Prosparol
pseudoquinine
radials
relax restrictions
reservoir storage survey
self trapping
shore protection embankment
sine electrometer
Skyloft
somatochlora taiwana
South Harting
stack symbol table
standard design of bridge
sterility detector
storage drift
sulphonated coal
surface microanalyzer
terbium carbide
test photography
throw ... off
tierod
tomb bat
triode-driven pentode
unstressed
up-times
Vasilivka
waters thermal
wood-fiber board