分子聚集

[00:00.00]在线英语听力室( www.tingroom.com )友情制作 [00:06.14]2003 Text2 [00:08.35]To paraphrase 18th-century statesman Edmund Burke, [00:12.20]all that is needed for the triumph of a misguided cause [00:16.43]is that good people do nothing. [00:19

发表于:2018-12-01 / 阅读(239) / 评论(0) 分类 历年考研英语阅读理解

[00:00.00]在线英语听力室( www.tingroom.com )友情制作 [00:03.81]1999 Passage4 [00:07.51]When a Scottish research team startled the world [00:10.54]by revealing 3 months ago [00:12.61]that it had cloned an adult sheep, [00:14.94]President Clinton move

发表于:2018-12-01 / 阅读(400) / 评论(0) 分类 历年考研英语阅读理解

Researchers: Recycled Concrete's Time Has Come SOUTH BEND, INDIANA Recycling in the construction industry has become big business. It's easy to find new life for everything from old windows to wood beams. But until now, concrete the most widely used

发表于:2018-12-08 / 阅读(137) / 评论(0) 分类 VOA标准英语2016年(八月)

Snow 雪 Snow comes from clouds, and it is made of snowflakes. 雪从云里来,它是由雪片形成的。 As snowflakes grow bigger and heavier in the cloud, they fall toward the ground. 当云中的雪片变得更大、更重时,它们就会落向

发表于:2018-12-13 / 阅读(110) / 评论(0) 分类 与美国小学生一起学英文第1册

Here's the key part. 接下来是关键的部分。 The solution nearest the wall spins faster than the solution closer to the middle. 离试管壁最近的溶液,要比中间的溶液旋转得更快。 That difference in velocity creates sheer str

发表于:2018-12-18 / 阅读(128) / 评论(0) 分类 TED演讲教育篇

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The human genome was sequenced, and in the process of moving that forward the technology that was developed was incredible. And because of their efforts in human genome,

发表于:2018-12-24 / 阅读(223) / 评论(0) 分类 Scientific American(十)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Just when you thought youd heard everything, scientists have found that the reason you can hear everythingincluding things that are very quietis because

发表于:2018-12-24 / 阅读(130) / 评论(0) 分类 Scientific American(四)月

Textalyzer Aims at Deadly Distracted Driving 能够测试驾驶时是否分心的神器 Fifty years ago, British inventors made and marketed the first electronic breathalyzer. The alcohol gauge has become standard issue for U.S. law enforcement crack

发表于:2018-12-24 / 阅读(122) / 评论(0) 分类 2017年Scientific American(八)月

The 2009 Nobel Prize in Chemistry goes to Venkatraman Ramakrishnan of the MRC Laboratory of Molecular Biology in England, Yale Universitys Thomas Steitz, and Ada Yonath of the Weizmann Institute of Science in Israel for their studies of the ribosome.

发表于:2019-01-08 / 阅读(150) / 评论(0) 分类 Scientific American(十)月

新gre作文写作考察考生完成题目过程中是否能够融合批判性思维和分析写作能力,以下是gre考试写作部分issue的优秀写作实例,通过这些优秀范文或是习作,考生可以借鉴里面的短语、句子或思

发表于:2019-01-08 / 阅读(117) / 评论(0) 分类 GRE作文

[00:11.60]WARMING UP [00:16.04]How many new uses can you think of for the folowing items? [00:36.49]reminds us of the appearance of nanotechnology, [00:53.76]according to which nothing is useless and [01:04.91]no garbage or waste material to speak of

发表于:2019-01-10 / 阅读(282) / 评论(0) 分类 高中英语人教版高一年级

Oregon Advertising Studio Tracks Fukushima Radiation If you were to picture the sort of person who might take the lead in gathering radiation data from the Fukushima nuclear accident, Marcelino Alvarez probably wouldn't come to mind. My background is

发表于:2019-01-13 / 阅读(163) / 评论(0) 分类 VOA标准英语2011年(七月)

网上求职易犯的错误 Don't just hit up the big guys. 不要只关注大型的招聘网站。 Big-name websites like Monster and CareerBuilder are wonderful resources for online job hunting, but don't stop there. They charge fees that some smal

发表于:2019-01-17 / 阅读(109) / 评论(0) 分类 英语学习方法

This years Nobel Prize in Chemistry is about the worlds smallest machines. G?ran Hansson, secretary general of the Royal Swedish Academy of Sciences, earlier this morning. The Royal Swedish Academy of Sciences has decided to award the 2016 Nobel Priz

发表于:2019-01-17 / 阅读(183) / 评论(0) 分类 2016年Scientific American(十)月

Of all the plastic produced since the 1950s, less than 10% has been recycled. 20世纪50年代以来,产生的所有塑料中,只有不到10%得到回收。 The vast majority ends up being dumped, most of it in landfill. 其中大部分都成了垃

发表于:2019-01-26 / 阅读(139) / 评论(0) 分类 经济学人科技系列

Sicience and technology 科学和技术 Cancer and obesity 癌症与肥胖 Malignant flab 恶性松弛 At last, an understanding of how overeating causes cancer 吃得过多如何导致癌症 OVERWEIGHT women are more likely to develop breast cancer

发表于:2019-01-26 / 阅读(145) / 评论(0) 分类 经济学人科技系列

Cameras were flashing at this recent Constellations concert in Atlanta. And the morning after, fans who wanted to see what has everybody else got, could go to a new website thats helping to hit the right note. It is called Recreate Mynight and it con

发表于:2019-02-02 / 阅读(102) / 评论(0) 分类 英语杂谈

By Birungi Machrine Kampala 19 February 2008 A documentary has been released that depicts child labor in Uganda. The film, called Stone Cold is by local writer Michael Wawuya. It explores the causes and costs of child labor in a typical village. Voic

发表于:2019-02-09 / 阅读(152) / 评论(0) 分类 VOA常速英语2008年(二月)

Let's begin by looking at what we currently understand about the neuroscience of Alzheimer's. 让我们先看看目前神经学上对老年痴呆的了解。 Here's a picture of two neurons connecting. 这是一张两个神经元连接的图。 The p

发表于:2019-02-13 / 阅读(151) / 评论(0) 分类 TED演讲国际问题篇

Marine Mammals Since there is such an abundance of food in the sea,it is understandable that some of the efficient, highly adaptable, warm-blooded mammals that evolved on land should have returned to the sea.Those that did have flourished. Within abo

发表于:2019-02-17 / 阅读(123) / 评论(0) 分类 双语有声阅读
学英语单词
a firm grip
a transfer of power
According to the latest census
Adenophora remotiflora
Agy.
aloha shirt, Aloha shirt
ammonia solution
apostolic
atrioventricular septum
authorized signatory
avail oneself of
back laid rope
bayona
black-watar fever
bromsulphalein
burn cut
case knife runner bean
chivhu (enkeldoorn)
classroom-focused
coin tail
copper scale
cotton asbestos
diaphragm knapsack sprayer
dish cart
double helical spurgear
dwarf chinkapin oaks
edge collision
enriched medium
escarping
esch-sur-alzette
exackly
ezquerro
Fabahistin
fencingterrain
financial project
floorer
foaming machine
furoyl chloride
fused phototransistor
glass foam
gourdshaped
Hartshone bridge
helmet mounted binoculars
idle fuel system
in a state of nature
Isabella Stewart Gardner
Jarwa
long-term loans payable-bank
loop leakage
loosely coupled
master straight edge
meteorological balloon
mine tunnelling method
miniportraits
mono-athetosis
n-Ocylamine
natural fortification
natural homomorphism
non sterile
numerical iteration
opishaptor
outage time unplanned
pay first rule
pepuline
polybutylenes
post-althusserian marxism
rancidified
rated performance
respyce
rogueish
roll fluting machine
rotary crop shears
sandwich cylinder
sauros
seasonal wind(s)
second power
select command
semisubterranean
smock-mill
spit-roasted
spjut
steam molding
Stenotaphrum secundatum
stopping criterion
strike me pink
supercurvature
tabular display
tender
tessmann
tough string test
trajectile
TRUE excess disease with FALSE deficient manifestation
turbo-charger bearing
uk high street
underbodice
unfictionalised
usable enthalpy drop
Vynitop
welt groove
whole kernel
wild bill hickocks