高强度材料

material scientists admire spider silk for being lightweight and strong.now another arthropod product is getting into the act insect cuticle,the tough flexible material is inside insect skeleton.researchers at harvard * institute for biological inspi

发表于:2018-12-02 / 阅读(227) / 评论(0) 分类 Scientific American(十二)月

I cried a tear Oh I did try I was confused You cleared my mind I sold my soul You bought it back for me And held the earth You gave me dignity Somehow you needed me You gave me strength To stand alone

发表于:2018-12-13 / 阅读(205) / 评论(0) 分类 100首英语歌

This is Scientific American's 60-Second Science. I'm Karen Hopkin, this'll just take a minute. On February 8th, we told you about scientists who had created a device worn over the knees that could harvest the energy you otherwise waste while walking.

发表于:2018-12-24 / 阅读(170) / 评论(0) 分类 Scientific American(二)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? Athletes have obviously been tempted to use performance enhancing anabolic steroids. Drug testing may discourage such use. But a new study finds that some of the perfo

发表于:2018-12-24 / 阅读(190) / 评论(0) 分类 Scientific American(九)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. After water, tea is the world's most popular drink. Now three New York City high school students have discovered what maybe a bruing scandal because th

发表于:2018-12-24 / 阅读(273) / 评论(0) 分类 Scientific American(七)月

情景对话 Dialogue对话1S: Hello! Welcome! 您好!欢迎光临! C: Thanks. 多谢! S: What style do you like? 你要什么款式? C: Do you have new samples? 你有新板吗? S: Yes, this is new sample. 有,这是新板。 C: How many

发表于:2018-12-26 / 阅读(197) / 评论(0) 分类 外贸服装口语

See to it that....务必....;努力设法使达到....目的 例句: See to it that you come to my house with your baby. 一定要带着你的宝宝来我家。 See to it that you use the high-quality decoration material to decorate my new house. 务

发表于:2018-12-26 / 阅读(184) / 评论(0) 分类 跟艾米莉一起学口语

Its the material at the tip of a pencil and it has the potential to revolutionize our lives. A study from Columbia University has shown that graphene is the strongest material in the world. In fact , it is much tougher than diamonds and 300 times str

发表于:2018-12-28 / 阅读(181) / 评论(0) 分类 轻松英文阅读

A tornado rips across the Missouri Plains. Winds over 150 miles per hour shred everything in the twister's path. When it smashes a trailer home, one man is sucked into the heart of the storm, spun and shaken horrifically. His limp body drops out of

发表于:2018-12-30 / 阅读(280) / 评论(0) 分类 国家地理2008年

250 Years Might Return to AP World History Course After Criticism The College Board has answered criticism about proposed changes to the Advanced Placement World History exam. Educators and others had objected to its plans to make the exam cover hist

发表于:2019-01-03 / 阅读(181) / 评论(0) 分类 2018年VOA慢速英语(七)月

Sorry,thereisnottexttemporarily,Pleasehelptingroomtolookforit! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thankyou !

发表于:2019-01-09 / 阅读(266) / 评论(0) 分类 新课标小学英语阅读100篇

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(200) / 评论(0) 分类 2014年VOA慢速英语(九)月

High-Tech Material Cools Buildings, Sends Heat Into Space 高新技术材料给建筑降温,将热量送入太空 Researchers at Stanford University have developed a new material that can move heat out of buildings and into space. The researchers say

发表于:2019-01-12 / 阅读(201) / 评论(0) 分类 2014年VOA慢速英语(十二)月

土坯房引领美国新墨西哥文化 As the largest city and the state of New Mexico, Albuquerque is one of the fastest-growing high-tech centers in the U.S. Yet you rarely see skyscrapers here.Instead you will find small, dirt-walled houses every

发表于:2019-01-14 / 阅读(161) / 评论(0) 分类 VOA标准英语2016年(一月)

题目要求: The following chart shows the different attitudes of men and women towards down-to-earth marriage. Look at the chart carefully and write your response in about 200 words, in which you should interpret the chart, state the reasons and

发表于:2019-01-17 / 阅读(181) / 评论(0) 分类 英语作文

And the dominant kind of snobbery that exists nowadays is job snobbery. 今天,最主要的势利就是对职业的势利。 You encounter it within minutes at a party, 你在派对中不用一分钟就能体会到, when you get asked that famous

发表于:2019-01-18 / 阅读(163) / 评论(0) 分类 TED演讲教育篇

经典歌曲-你需要我you needed me -anny murray 获奖时间:1979年 I cried a tear, you wiped it dry ! was confused, you cleared my mind I sold my soul, you bought it back for me And held me up and gave me dignity Somehow you needed me You gav

发表于:2019-01-21 / 阅读(184) / 评论(0) 分类 经典英文歌曲

Malaysia holds chocolate exhibition Chocolate and candy, enough to satisfy any sweet tooth, are on show at Malaysia Genting Highlands. This comes just in time for the two-week holidays of the countrys primary and secondary schools. More than 1,000 va

发表于:2019-01-31 / 阅读(162) / 评论(0) 分类 英语新闻视频

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(178) / 评论(0) 分类 英语新闻

(1)A: We can offer you this in different levels of quality. B: Is there much of a difference in price ? A: Yes ,the economy model is about 30% less. B: Well take that one . A:这产品我们有三种不同等级的品质。 B:价钱也有很大的分别

发表于:2019-02-08 / 阅读(162) / 评论(0) 分类 天天商务口语
学英语单词
a honey
achilles tendon rupture
acompter
acrosomal process
amenity forest
ascochyta robiniae sacc.er speg.
AZG
bank clerks
baraka
bass response
becue
book price
Brontyl
busperson
C.Fr.
chain defect
cleanout port
coefficient of softing
combined nonlinear system
commodore admirals
completely inoperative system
concession bargaining
coth
cupaloy
David O Selznick
Debsko
devotionate
distributor breaker arm
DYTAC
el alamein (al alamayn)
flat oil stone
Fratta Polesine
from the heart
fulum
gain on sale of stock
Genève, Cant.
Gibbs indophenol test
gobletlike
Good shape
heat-resisting grease
heavy-load compensating device
herber
hydrodynamicae
IEDD
international competitiveness
jactatio capitis nocturna
Joret line
keep a weather weath-eye open
kidney graft
Kolonjë
list traversal
longitudinal tilt
Lundy
magnetostrictive vibration generator
management summary
metal-clad door
mingle tears
mocking is catching
Montauk Point
movement goods document
mox proportion
music system
non-strategic
ohnishi
optical fiber gratings
parkours
pasquin
payment to bearer
permanent network juncture
Phaeographis
place someone upon the lookout for
pricing objectives
Primula souliei
pumpas
pylon tower
quarter-bloke
Richmal
robert scotts
romantico-
Schliengen
set section
soft landed instrument station
soild-steel rotor
specification policies
splus
spread the word
star carrier
steam-drivens
supergalactic coordinates
tapedbuffer loop
taste fibers
thing off
tourist resources
track data file
unadsorbed
viewer's role
vortex cavitation
walling scaffold
washtub
well-fought
wetting-out