内聚能密度

The wolves thus addressed the sheep-dogs [00:02.38]Why should you, (1)-{who are like us in so many things [00:06.11]not be entirely of one mind with us [00:09.33](2)-{and live with us as brothers should [00:11.78]We differ from you in one point only.

发表于:2018-11-29 / 阅读(216) / 评论(0) 分类 决胜四级听力必备

[00:03.89]deed deem deep deepen [00:08.76]n.(已完成的)行为, vt.认为,相信 a.深的,深刻的 v.变深,变浓 [00:13.64]deeply deer defeat defect [00:18.26]ad.深深地 n.鹿 v./n.挫败,战胜n.失败 n.缺陷,缺点 [00:22.88]de

发表于:2018-11-30 / 阅读(160) / 评论(0) 分类 考研英语词汇2005

A supermassive black hole is quite simply gravity gone mad. An object of such concentrated matter its gravitational pull is insatiable. Nothing can escape it, not even light itself. Anything that gets

发表于:2018-12-07 / 阅读(391) / 评论(0) 分类 超大质量黑洞

Have you ever thought about your biological clock? Never! No. Men don’t have to think about that. Men may not think about their biological clocks, but they should. There are some men whose biologica

发表于:2018-12-11 / 阅读(141) / 评论(0) 分类 万花筒2006年

微波炉发明源于一项最高军事机密 Many people around the world use a microwave oven every day, not knowing that a crucial part of it was once a top military secret. 世界上许多人每天都在使用微波炉,但却不了解它曾经是一

发表于:2018-12-16 / 阅读(90) / 评论(0) 分类 VOA标准英语2016年(二月)

[00:11]Day 27 [00:13]democratic [00:14]E-mail is a convenient, [00:16]highly democratic informal medium [00:19]for conveying messages that [00:21]conforms well to human needs. [00:25]density [00:26]The population density is about 500 people per squar

发表于:2018-12-18 / 阅读(244) / 评论(0) 分类 星火英语四级2000核心词

From the depths of space, an asteroid hurtles toward Earth. [Well, our general vicinity.] But this is no ordinary hunk of galactic debris. Because the body of this asteroid seems to defy gravity. Its bound by forces never observed on this scale in sp

发表于:2018-12-24 / 阅读(76) / 评论(0) 分类 2014年Scientific American(八)月

How Does Ice Cool Drinks? Heres something we tend to take for granted: drop a few ice cubes into a glass of water at room temperature, and in a few minutes the water will cool. How does this work? Heat is a measure of molecular activity: the faster a

发表于:2018-12-31 / 阅读(81) / 评论(0) 分类 英语听力文摘 English Digest

American inventor John Goodenough first started working on battery technology more than 40 years ago. Goodenough actually co-invented lithium-ion batteries in 1980. This eventually led to a revolution in the electronics industry because those devices

发表于:2019-01-02 / 阅读(116) / 评论(0) 分类 2017年VOA慢速英语(五)月

Turning Cigarette Butts to Batteries 烟头转变成电池 If you see a person carelessly throw a cigarette to the ground, what are you likely to think? That depends. If you hate people throwing things on the ground, you might think, That person shou

发表于:2019-01-12 / 阅读(130) / 评论(0) 分类 2014年VOA慢速英语(九)月

Chicagos Argonne Lab Developing Battery of the Future CHICAGO In 2012, the Department of Energys Office of Science awarded a $120 million grant to a new technology center focused on battery development - headquartered at Argonne National Laboratory i

发表于:2019-01-14 / 阅读(103) / 评论(0) 分类 VOA标准英语2014年(七月)

How Military Research Finds Its Way to Everyday Life 军事研究是如何走进日常生活的? WASHINGTON Sometimes simple scientific advances in one field can have value far beyond their intended use. Many of these advances can change the world an

发表于:2019-01-14 / 阅读(96) / 评论(0) 分类 VOA标准英语2015年(十二月)

DAVID GREENE, HOST: The Trump administration's rollback of coal plant regulations last week has renewed hopes for those in the industry that some plants might stay open a little longer. The share of coal in the country's energy mix has dropped dramat

发表于:2019-01-17 / 阅读(158) / 评论(0) 分类 2018年NPR美国国家公共电台8月

By Brian Padden Paris 21 June 2007 The airline industry has long sought to develop new technology to offset the rising cost of fuel, but the industry also has looked to make flying more energy efficient. This year at the Paris Air Show many companies

发表于:2019-01-30 / 阅读(127) / 评论(0) 分类 2007年VOA标准英语(六月)

Scientists from the University of Central Florida (UCF) have created a supercapacitor battery prototype that works like new even after being recharged 30,000 times. 来自中佛罗里达大学(UCF)的科学家已经创造了一个超级电容电池

发表于:2019-02-02 / 阅读(95) / 评论(0) 分类 英语新闻

matter 物质 energy 能 vacuum 真空 liquid 液体 fluid 流体 solid 固体 body 物体 mass 质量 weight 重量 density 密度 specific gravity 比重 gravity 重力 velocity 速度 kinetic energy

发表于:2019-02-07 / 阅读(124) / 评论(0) 分类 英文语法词汇

This dark energy doesn't behave like any other substance we know at all and acts more like antigravity force. 这种暗能量的性质与我们所熟知的其他物质完全不同,它更像是反重力。 We say that it has a gravitational pressure

发表于:2019-02-13 / 阅读(94) / 评论(0) 分类 TED演讲教育篇

Looking up at the night sky, we are amazed by how it seems to go on forever. 仰望夜空,我们为它的永无止境而感到惊讶。 But what will the sky look like billions of years from now? 然而数十亿年前的天空又会是什么样子呢

发表于:2019-02-13 / 阅读(116) / 评论(0) 分类 TED演讲教育篇

Times Higher Education (THE) last Wednesday reveals its BRICS And Emerging Economies University Rankings 2017. 《泰晤士报高等教育》(THE)于上周三公布了2017年《金砖国家和新兴经济体大学排名》。 China's institutions

发表于:2019-02-18 / 阅读(152) / 评论(0) 分类 英语新闻

After failing in Beijing's license plate lottery system for some three years, Qin Xiaofei finally made his decision in January to buy a battery-driven car to chauffeur his wife who has recently become pregnant. But, he says, one of the biggest concer

发表于:2019-03-04 / 阅读(149) / 评论(0) 分类 2016CRI中国国际广播电台
学英语单词
abraxas taiwanensis
aerospace science
Analphalipoproteinemia
annamox
antimonic oxychloride
antirecovery
assertation
Atbulak
automatic sprinkler and fire detection system
autophagous
bartelski
bekaerts
blue-skies thinking
booster pump station
Braughing
bromatimetry
calorific value determination in a bomb calorimeter
claimest
cloud-cloud collision
cloverlike
commercial film testing
common exit point
communication agency
comparison telemetering system
cone belt
conjune
conneaut
contacto
cum guzzler
dominan
double pivot steering
dyeve
emulosity
encoder mode
final stowage plan
fire extinguisher (fire annihilator)
fourth root
friction force
front-wall photocell
gains offset the losses
galactose tolerance
gas conservation
godwit
hardback
heavy weapons
high-level cave
hydroprednisone acetate
icv
isometrically
Key Biscayne
lagocephalus wheeleri
level(l)ing washer
lieutenant JG
loss of signification
ludwizia prostrata roxb.
make out
management right
marine sciences
mertrix formosana
messali
mitten deformity
moistening with water
nasal septal muco-cartilaginous compound tissue free grafting
naturalis
new zealand carriage of goods act 1940
not care a thrum
ovipary
parauncleo-albumin
performing art
petrolatum gauze
petty average
phedracine
pluvline
policemen
populationist
pore rhomb
post hoc ergo propter hoc
Primula bulleyana
public bars
pulsator
puppet head centre
rammed bottom
recursive definition
reflected sound
rhombic macropyramid
rotating annulus
shift signal
signal structure
stargroup
tarwater
the glare of publicity
to arm one's mind with...
toad's-eye tin
top dead-center indicator
tosti
trial and error behavior
type cutter
universal turbulence constant
usage profile
waist-trimming cutter
west-bound
with limited pockets