聚集团聚体

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(122) / 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(95) / 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(113) / 评论(0) 分类 TED演讲教育篇

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(100) / 评论(0) 分类 2017年Scientific American(八)月

Outlier: noun. 与众不同之人:名词 1. Something that is situated away from or classed differently from a main or related body. 1.离开主体或者相关本体的东西。 2. A statistical observation that is markedly different in value from

发表于:2019-01-01 / 阅读(76) / 评论(0) 分类 异类:不一样的成功启示录

A Web-based experiment in which an idea was planted found greater penetration and more rapid spread of the idea in a dense network of participants with overlaps compared with in a loose network. Cynthia Graber reports 一项基于网络的实验表明,

发表于:2019-01-02 / 阅读(135) / 评论(0) 分类 60秒科学

I got no excuses 对那些离别和再见, For all of these goodbyes 我这次再也不会找借口了 Call me when it's over 请在所有事都结束时提醒我 'Cause I'm dying inside 因为我的内心正在凋零 Wake me up when the shakes are

发表于:2019-01-03 / 阅读(93) / 评论(0) 分类 听歌学英语

Diseases can spread quickly. Someone with a cold infects a few casual contacts, who in turn infect others. Ideas can also spread that way, along so-called random networks. But Damon Centola at MIT says that ideas and beliefs spread faster and more ef

发表于:2019-01-08 / 阅读(134) / 评论(0) 分类 Scientific American(九)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(101) / 评论(0) 分类 GRE作文

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(143) / 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(95) / 评论(0) 分类 英语学习方法

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(122) / 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(87) / 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(136) / 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(128) / 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(104) / 评论(0) 分类 双语有声阅读

Microsoft Is Moving Forward 微软一路向前 Bill, what led to your decision to build your own site, your own corporate campus? 比尔,是什么使你决定建立你自己的网站及你自己的公司呢? Well, I was always thinking that envir

发表于:2019-02-27 / 阅读(175) / 评论(0) 分类 创业成功人士访谈录
学英语单词
amplects
antiradar camouflage material
asphalt lacquer
astride of
barium metasilicate
basic requisition number
be on a business trip
benzoxadiazines
bimlipatam
binfuls
bookmark define
bucket-chain waterlift
Callaway's butter
carceag
chong
circulating oiling system
cock a hoop
compensating coil
conference room paper
conservofascists
CSTA
curly grass
cut out relay
Dagbani
database management
Deitelsberg
document administrator
early morels
ecru
effective capture cross section
electrocoagulation
eod
epigrammatist
Eurocurrency deposit
event analysis
fouldage
gatzara petrophila
generative phonology
generousnesses
getrich
golpayegan (gulpaigan)
goose-club
hamana-hamana-hamana
hardware-software integrated design technique
have the wall of someone
herz's compound
interactive design system
interfering signal
invoice tare
jam-to-signal(ratio)
library van
luminacin
metal rack
micas
microwave fuze
monogenous
moribundness
Mun O
named pipes
nelf
nervus profundus
non corrosive alloy
Nucleus medialis dorsalis
object of study
Off Off Broadway
organothallium
Paloemeu
pareille
Parietaria micrantha
pleasurists
Ponce, de Leo'n,Juan
post-ovulative
proximity focusing
pseudo file name
pseudoepitheliomatous hyperplasia
r-f power supply
radiofrequency
rissoilna scalariformis
roll-over protection system
rotor slot-pitch
ruthenium(ii) bromide
San José, Dep.de
scalar electron
separable affix
spragins
stair way
streetwalker
stuffing machine
subjective goodwill
syrmaticus mikato
the tide
time to say good - bye
tip chord
tonsillas
tucker fucker
Umm Maghrab, Râs
vertebral articulations
washing bottle
well-orchestrateds
wing its way through the air
xalt
Y angle