高分子材料

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(127) / 评论(0) 分类 Scientific American(二)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Are your car bumpers riddled with scars from encounters with tight parking spaces? Did the furniture movers scratch your floor? Wouldn't it be great if t

发表于:2018-12-24 / 阅读(147) / 评论(0) 分类 Scientific American(四)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(209) / 评论(0) 分类 Scientific American(七)月

I dont believe, in all my years, I have ever seen a fruit fly I would consider obese. But, thanks to the wonders of modern science, thats all about to change. Because a team of researchers from Cold Spring Harbor laboratory has produced the first fli

发表于:2018-12-24 / 阅读(128) / 评论(0) 分类 2017年Scientific American(一)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(127) / 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(142) / 评论(0) 分类 跟艾米莉一起学口语

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(118) / 评论(0) 分类 2018年VOA慢速英语(七)月

The United States has partnered with the United Nations Foundation's Girl Up campaign, Intel Corporation, Google, and other partners to lead the third annual Women in Science Girls STEAM Camp, to enable to girls to study the science, technology, engi

发表于:2019-01-03 / 阅读(185) / 评论(0) 分类 VOA标准英语2017年(8月)

Scientists in Brazil are turning fruit fibers into car parts. At a recent meeting of the American Chemical Society, the researchers described their work in making the next generation of automotive parts made from natural fibers from bananas, pineappl

发表于:2019-01-09 / 阅读(157) / 评论(0) 分类 VOA标准英语2011年(四月)

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(155) / 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(141) / 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(119) / 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(139) / 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(112) / 评论(0) 分类 TED演讲教育篇

EDUCATION REPORT - Intel Science Talent Search Winners AnnouncedBy Nancy Steinbach Broadcast: Thursday, March 23, 2006 I'm Steve Ember with the VOA Special English Education Report. An eighteen-year-o

发表于:2019-01-30 / 阅读(158) / 评论(0) 分类 2006年慢速英语(三)月

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(123) / 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(126) / 评论(0) 分类 英语新闻

The discovery of cells in the brain that act as the body's internal global positioning system, which won three scientists the Nobel Prize for medicine on Monday, opens an intriguing new window onto dementia. Since these spatial cells are among the fi

发表于:2019-02-07 / 阅读(175) / 评论(0) 分类 阅读空间

(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(127) / 评论(0) 分类 天天商务口语

How Do You Make A Diet-Coke Float? 你能让无糖可乐浮起来吗? Heres an at-home experiment you can try. Take a can of classic Coca-Cola and a can of Diet Coke, and without opening either one submerge them in water. A deep sink or a bucket wi

发表于:2019-02-24 / 阅读(131) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
accelerated by a spring
acceptable product
aerophotographic
Alfene synthesis
algebraic boundary
Ampere currents
analog/digital transducers
anaphora rule
anatomical physiology of man
apomictic parthenogenesis
arc plasma spraying
ASL
autonomic restrictor
bed clearance
blind box
boat gear
Bridgeburg
building-related
catalytic cycle
chicaneries
chirographer
colo(u)red milk
control of orientation
coping machine
creech st. michael
cross bearings
crossbars
D'Arsonval galvanometer
demono
distance between centre plates
drop-crotched
equitable defence
extebsuve sampling
firm but fair
floatation circuit
fuscescens
generalized precedence grammar
Hierochloe glabra
high liver
high usage line
homogamy
hourly capacity
huckleberries
inconsultable
incrossing
indicating fuse
Innellan
ion-deposition printer
king oyster mushrooms
Ligularia tenuipes
long time notes payable
long-grasser
mane
manual direction finder
Merriwell,Frank
micro-rotation
motor transport rate management system
myocolpitis
National Reconnaissance Office
pan-Shia
per-examination
Planomerista
poly-d-lysine
postadrenalectomy
quasidiscontinuity
reaper-and-binder
rear wheel lifting link
religious writings
rent-a-cab
reticular vein
Russkaya Platforma
sakulin
sample yarn winder
schwarzenbach
sexy mamas
slambanged
solid pillar
somato
specious arguments
star fracture
strip to the waist
Strobilomyces
system of non-homogeneous linear equations
tapping into
telescope caliper
ternary quadratic form
Thymallus
toll lines
track split
transcrystalline cracking
tricot weave
trioazole
tryosin
Tuatha De Danann
twin sweaterset
two-Iip ladle
ulcer disease
undecillionth
unsending
us printing
Wetz
x-ray energy level