钇钨华

Financial experts agree that part of the economic slowdown over the last few years can be attributed partly to the demise of the so-called dot-coms. Investors threw lots of cash at these start-up internet businesses, despite having no clear idea of h

发表于:2018-12-05 / 阅读(140) / 评论(0) 分类 英语听力文摘 English Digest

The complex vocalizations of songbirds are learned, not inherited. Some even have regional accents. Wrens, thrushes and other songbirds don't hatch with their impressive musical talents. They learn to sing their extensive repertoires by listening to

发表于:2018-12-05 / 阅读(132) / 评论(0) 分类 英语听力文摘 English Digest

President Bush says the key to a strong economy is the creation of more small business. But statistics show that most startups are doomed to fail. However, the experts agree that with planning and hard work a new company can beat the odds. This morni

发表于:2018-12-05 / 阅读(152) / 评论(0) 分类 英语听力文摘 English Digest

By Kari Barber Dakar 30 June 2007 Ivory Cost rebel leader and new prime minister Guillaume Soro (Apr 2007) An Ivory Coast government minister has announced several arrests in connection with a rocket attack on an airplane carrying Prime Minister Guil

发表于:2018-12-08 / 阅读(197) / 评论(0) 分类 2007年VOA标准英语(六月)

People in America - Ernest Hemingway, 1899-1961: One of the Most Famous Writers of the 20th Century 美国名人 - 海明威二十世纪最著名的作家之一 SHIRLEY GRIFFITH: I'm Shirley Griffith. DOUG JOHNSON: And I'm Doug Johnson with People in

发表于:2018-12-16 / 阅读(188) / 评论(0) 分类 2011年VOA慢速英语(六)月

In the 17th century, the French scientist Pierre Gassendi knew that light traveled faster than sound. When a gun fired far away, he could see the flash of gunshot long before he heard the report. Gassendi tried to measure the speed of sound by clocki

发表于:2018-12-31 / 阅读(169) / 评论(0) 分类 英语听力文摘 English Digest

Colleen was in a hurry, which made her driving even more careless than usual. Her boyfriend Simon had already criticized her many times for failing to stop completely at stop signs. Thats what they call a California, or rolling, stop, he told her. If

发表于:2018-12-31 / 阅读(168) / 评论(0) 分类 365个英语简短小故事

Todd: So, Mark you said that you want to build a website. Mark: That's right. Yeah. So I noticed that you have a website, Todd. Todd: Yeah. Mark: Did you build that yourself? Todd: I did actually. I knew nothing when I first started and I learned and

发表于:2019-01-06 / 阅读(153) / 评论(0) 分类 原版英语对话1000个

The commander of U.S. and coalition forces in Eastern Afghanistan says his area has experienced a 40 percent increase in insurgent attacks on coalition and Afghan forces since January, compared to the same period last year. And, speaking via satelli

发表于:2019-01-13 / 阅读(140) / 评论(0) 分类 VOA标准英语2008年(六月)

Nigerian Churches Ramp Up Security Against Attack Risk Near-daily violence in northern Nigeria is increasingly targeting churches. Bombings and other attacks have killed dozens of Christians in recent months. Armed policeman keep watch outside this A

发表于:2019-01-13 / 阅读(175) / 评论(0) 分类 VOA标准英语2012年(五月)

Women on Front Line of Arab Spring Protests Many women have been among the protesters on the front lines of anti-government movements in the Middle East and North Africa. They helped to topple longtime leaders in Tunisia, Egypt and Libya. They played

发表于:2019-01-13 / 阅读(144) / 评论(0) 分类 VOA标准英语2012年(三月)

Cloning Pets Is animal cloning for real? I want to have my cat cloned. Well, animal cloning technology exists, but pet cloning isnt quite there yet. And it may never be. Why not? I could think lots of people could want to have copies of their pets. T

发表于:2019-01-26 / 阅读(143) / 评论(0) 分类 英语听力文摘 English Digest

AntIntrigue 蚂蚁的阴谋 Don: Hey,antslives are full of intrigue. Take slave-making ants. They invade other ants nests, kill some of the adults, and then steal the larvae and take them back to their own nests. The larvae learn who they belong to b

发表于:2019-01-26 / 阅读(152) / 评论(0) 分类 英语听力文摘 English Digest

The Ant and the Dove An ant went to the bank of a river to quench its thirst, and being carried away by the rush of the stream, was on the point of drowning. A dove sitting on a tree overhanging the water plucked a leaf and let it fall into the strea

发表于:2019-01-26 / 阅读(141) / 评论(0) 分类 英语听力文摘 English Digest

Todd: Shona, do you have any talents or interests like art or music or cooking? Shona: Yeah. Actually, I really, really enjoy art. I like to sort of study different artists and look at art from the past, but I also paint myself so I like to go to art

发表于:2019-02-09 / 阅读(141) / 评论(0) 分类 原版英语对话1000个

Ant Attack! Imagine this. Youre coming home to your gated community after a long day of work. As you stop to show the guard your ID, a mugger jumps out from behind a bush and grab s you by the mouth. Okay, that last part sounded a little weird, but t

发表于:2019-02-16 / 阅读(155) / 评论(0) 分类 英语听力文摘 English Digest

The Lithic Principle 我们生活的星球上自然法则是亘古不变的吗?我们人类是不是自我感觉太过于良好? Time again for the mailbox.Let's see.Here:A Moment Of Science,I heard recently that if the laws of nature were change

发表于:2019-02-24 / 阅读(153) / 评论(0) 分类 英语听力文摘 English Digest

The Denatured Egg White 煮鸡蛋还有那么多学问哪?在煮鸡蛋过程,鸡蛋会发生哪些变化呢? 蛋白质变性(protein denaturation)是指蛋白质在某些物理和化学因素作用下其特定的空间构象被改变,从而导致

发表于:2019-02-24 / 阅读(151) / 评论(0) 分类 英语听力文摘 English Digest

Nice Set of Pipes 尽管管风琴对我们来说还是比较生疏的乐器,但它的发音原理与我国民间流传至今仍在使用的古老乐器芦笙十分近似。据史料记载,公元前250年前古希腊工程师克提西比奥(Ktes

发表于:2019-02-25 / 阅读(170) / 评论(0) 分类 英语听力文摘 English Digest

A Pain in the Ear 耳痛是一种常见病,耳痛为常见症状,常因耳部疾病引起(原发性或耳源性耳痛),也可因耳部邻近器官或其他器官疾病所致(继发性或反射性耳痛)。耳痛的严重程度与病变的

发表于:2019-03-09 / 阅读(443) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
accelerator
accordion fabric
amount-of-substance fraction
ampullae recti
amyasthenia
animal-research
apegmone
arct-
atomic cross
azumas
bagged cargo
bassinate
benefit of discussion
black wool
bottle-glass
breaks loose
Callison's Fluid
cardio-amplifier
carol of the bells
carrying capacity of throat turnout
casing nail
castellation
cement mortar dado
cermet of life-saving appliance
CG
chemical oceanographer
cleaning-women
cold-fusion
cutting pressure
Dalacinc
dampest
demand for renewal
denturist
dihexagonal prism
double-faced slide gate valve
drag-racing
dustborne
eleosaccharum
eleutherozoan
EMCB
Emilie Charlotte le Breton
erythropoieses
ethylideneaminobenzyl penicillin sodium
Evgenios
exergasias
film copy
flat rate charge
fretwires
green highs
Harley Davidson
head nurses
inhibition zone
insensates
khafjis
khichdi
kick-ass
kohno
language model
lasergage
laural cherry
libnetis taiwanus
lonely-heart
Lyonia mariana
Marseillis Freight Agreement
meganucleases
Naksansa
nitrite reductase
nonconcurrence
normal owyheeite
onychophosis
Pallës, Bishti i
paruyngal
phytocomponents
pilotta
pollart
post along
prochaetostricha monticola
rahsaan
ramp former
recess
rectifier station wave energy
relatively complemented lattice
reserve on board
rest area sign
Sadon
Samaru
sample convolution theorm
schmidtmann
set link
sight-for-sore-eyes
simple form
sound filter
stephanion
submicrometer current blocking layer
tectonic facies
tele type
toll traverse
tredding
trend setting
vivier
water vapor radiometer
weitzel