消退性抑制

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(129) / 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(146) / 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(180) / 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(100) / 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(115) / 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(75) / 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(138) / 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(107) / 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(168) / 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(86) / 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(256) / 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(151) / 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(112) / 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(166) / 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(100) / 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(118) / 评论(0) 分类 GRE英语

MADRID, Oct. 27 (Xinhua) -- Real Madrid coach Jose Mourinho responded ironically to questions over who will play at left back for his side on their visit to Mallorca on Sunday night. Real Madrid are still without full backs Alvaro Arbeloa, Marcelo an

发表于:2019-02-04 / 阅读(355) / 评论(0) 分类 英语新闻

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(91) / 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(68) / 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(189) / 评论(0) 分类 听播客学英语
学英语单词
acrylic panel
airlock hatch
alternate for a nonterminal
amatory
aptamine
assumes no responsibility
back passage
backpart moulding machine
batmobiling
brickbat
budget chart
budget control
class 1a
consolidated net profit
convolvulus
cranked string
custom
cyberactivists
deadman switch
deciduous forest community
dental auxiliary
deposit public funds in personal accounts
disable interrupt instruction
downgoing slab
enantiodromiac
evenly-matched
external elastic membranes
fast wool dyeing
file characteristic
finishing-allowance
fittonia verschaffeltii argyroneura
fluviomaritime section of stream
FNTHC
FPU
gaseous fission product release rate
gimleted
governor overriding control
Gregory Goodwin Pincus
hemicerebrum
hemocelem
hygroscopic moisture content
information feedback
insulinotherapy
International Constitutional Law
ion temperature
Jāodār
kaleidoscopelike
laparoscopist
Laukaa
make a remittance
methyl isophthalic acid
mezirow
microlaterolog
military training
minimum spreading thickness
mishnahs
Mollas
Mongua
Mītan, Ramlat
naphthotetrazines
natural language interface
oil tannage
one wait-state
ophiacanthidae
overhead caulking
percolls
Phosphoglucomutase(glucose-cofactor)
photoinjection
picture tube beam
pneutronic well
porous foundation
power station boiler
pre-OSART mission
prescanned
prolactin regulatory hormone
rake-up finger
reaches
reed-thatches
risk-benefit ratio
rubber-sulphur (sulphurite)
silacyclobutane
single-tube circuit
sirha
split billet
st lawrence river
sullener
superstocks
supplemental grooves
swing sets
t.r.f., trf
table look-up
temporary storage area
time delay system
true average
unidirectional transducer
unpackage transfer
upper impression
uptream reach
vanadyl(iii) chloride
viroplankton
volume index
whitings