铝硅氧烷聚合物

1: I am Andy. 2: Hello! 3: Good morning. 4: This is Kay. 5: This is Miss Dizzy. Your English teacher. 6: How do you do. 7: Hi! 8: Good bye! 9: So long. 10:Bye-bye! A: Hello! I am Andy. Hello! I am Mr. Write. I am Bobby. I am Kay. B: Good morning Mr.

发表于:2018-11-30 / 阅读(252) / 评论(0) 分类 小学英语300句

Welcome to the second part of our Business English Pod series on how to support your position or argument in meetings. Our friend Jack is giving an update on the Costa Rican project. Dan is against the idea, because as production manager, he doesnt w

发表于:2018-12-05 / 阅读(257) / 评论(0) 分类 商务英语会议解析

Section 50 Positions How many different positions can you think of? Positions of what? Body positions, you mean? Yah. You know, like standing, sitting, lying. Well, even those you mentioned have diffe

发表于:2018-12-07 / 阅读(273) / 评论(0) 分类 英语导读1000句

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(187) / 评论(0) 分类 Scientific American(四)月

This is Scientific American's 60-Second Science. Im Cynthia Graber. This will just take a minute. Buildings consume about a third of the energy and two-thirds of the electricity in the U.S. Roofs are a good place to try to cut those figures. Because

发表于:2018-12-24 / 阅读(220) / 评论(0) 分类 Scientific American(三)月

Most of us blink without thinking. But people whove sustained strokes or combat injuries can lose their ability to blink. Which is important for lubricating and cleaning the eye. Surgery is an optiona small piece of muscle transplanted from the leg c

发表于:2018-12-24 / 阅读(187) / 评论(0) 分类 Scientific American(一)月

Lowering the Ceiling on Roof Energy Losses Buildings consume about a third of the energy and two-thirds of the electricity in the U.S. Roofs are a good place to try to cut those figures. Because traditional black asphalt roofs heat up in summer and s

发表于:2019-01-02 / 阅读(204) / 评论(0) 分类 60秒科学

By Shally Zomorodi Los Angeles, CA 01 February 2007 watch Mozane report The two members of the pop duo Mozane have been working together for just five years, but have known each other for their entire lives. VOA's Shally Zomorodi reports the group's

发表于:2019-01-07 / 阅读(286) / 评论(0) 分类 2007年VOA标准英语(二月)

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute?. [Spray sound.] Killing bugs? No. [Spray sound.] Deodorizing the bathroom? No. [Spray sound.] Checking for explosives, yes. Because chemists at the University of Califor

发表于:2019-01-08 / 阅读(268) / 评论(0) 分类 Scientific American(九)月

Patients undergoing coronary bypass surgery need implants of new, healthy blood vessels. So do those who receive repeated hemodialysis due to kidney failure. The best option is to use the patient's own veins or arteries, but thousands of patients don

发表于:2019-01-08 / 阅读(197) / 评论(0) 分类 Scientific American(二)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Solar cells convert sunlight to electricity. But they don't take advantage of all that solar heat, thereby missing out on the majority of the solar ene

发表于:2019-01-08 / 阅读(264) / 评论(0) 分类 Scientific American(四)月

Donny Hathaway, who gained fame in the 1970s as a Grammy Award-winning singer, songwriter and producer, left behind some of soul music's most-compelling tunes, including his 1973 hit, Love, Love, Love. The smooth jazz rendition from Kirk Whalum's alb

发表于:2019-01-09 / 阅读(179) / 评论(0) 分类 VOA标准英语2010年(九)月

This is the VOA Special English Development Report. Dye can bring a little color to life. Most clothing is colored with dyes. Modern, manufactured dyes can be costly. Natural dyes from plant and animal products have been used since ancient times. So

发表于:2019-01-11 / 阅读(176) / 评论(0) 分类 VOA慢速英语2008年(十一)月

This is the VOA Special English Development Report. Dye can bring a little color to life. Most clothing is colored with dyes. Modern, manufactured dyes can be costly. Natural dyes from plant and animal products have been used since ancient times. So

发表于:2019-01-11 / 阅读(175) / 评论(0) 分类 VOA慢速英语2007年(五)月

SCIENCE IN THE NEWS - How Babies Learn, When, and Even In What Position From VOA Learning English, this is SCIENCE IN THE NEWS in Special English. Im June Simms. And Im Christopher Cruise. Today, we examine recent findings about how intelligence deve

发表于:2019-01-12 / 阅读(188) / 评论(0) 分类 2013年VOA慢速英语(一)月

Research Breakthrough for Biodegradable Tires? 研究人员研发完全可降解轮胎 Researchers say they have created a new synthetic rubber that could be used to make biodegradable tires. A team at Texas AM Universitys campus in the Gulf nation o

发表于:2019-01-12 / 阅读(164) / 评论(0) 分类 2016年VOA慢速英语(九)月

'Smart' Bandages Could Heal Wounds More Quickly 智能绷带有助更快治愈伤口 Simple bandages are usually seen as the first line of attack in healing small to moderate wounds and burns. But scientists say new synthetic materials with embedded

发表于:2019-01-14 / 阅读(286) / 评论(0) 分类 VOA标准英语2016年(二月)

MICHEL MARTIN, HOST: The Jewish High Holy Days are upon us beginning with the Jewish New Year, Rosh Hashana, which ended last night. For many people, this is a time of celebration and spiritual renewal. But for some, it might be a challenging time, e

发表于:2019-01-16 / 阅读(190) / 评论(0) 分类 2017年NPR美国国家公共电台9月

Don: Oh, Yael, I just read the most beautiful poem. No wonder our ancestors developed writing--they probably wanted to treasure poetry for posterity. Yael: Actually Don, writing was developed to keep track of more mundane things, like money. For exam

发表于:2019-01-22 / 阅读(291) / 评论(0) 分类 英语时差8,16

DEVELOPMENT REPORT - Bringing Color to Life With Natural Dyes By Jill Moss Broadcast: Monday, August 15, 2005 I'm Barbara Klein with the VOA Special English Development Report. Dye can bring a little

发表于:2019-01-30 / 阅读(210) / 评论(0) 分类 农业与发展
学英语单词
a reign of terror
Abbadid
Andersen's syndrome
ATR (advanced thermal reactor)
attaminated
attenuation model
Basham
be firm of purpose
bicritical
BOD determination
book the order
brown-leather
budgetary and fiscal data processing system
Casillas de Coria
Chipam
Chondrioderma
Chorolque
cinch belt
colon-points
communication for coordination
compound rule
concept development
content psychology
cooperativize
cynaroside
cynghanedds
de-icing solvent
disjunctive term
Dworr
exemption method
FHNH
final drive casing
finned-tube heat exchanger
flat cold rolled bar
flat-screen TV
fuel rod clad(ding)tube
gear-type motor
goethian
gonostome
gutheil
hackwork
hoik
hold orders
hopper light
indicator clutch
instruction phase
internal bond
inventrix
liquidity premium
loss reinstatement clause(s)
lower in
magnetoencephalography
mammogen
monolithic microwave intergrated amplifier
motor-on signal
multiple-stage centrifugal pump
NetApp
neutral resistor panel
niaces
non-entitlement
Näsum
office computation
over-looking
oxtant
phase ratio
pig-stickings
pixelvision
Pratt-Hayford isostasy
reference resources
relumed
repollute
restructing algorithm
roll welt
shadow microrefraction
shear machine
social CRM
sonar
squalestatin
stack structure for recursive call
Starobil's'k
stridor dentium
suprising
T.N.
taciturnity
target man
the silent treatment
time-adjusted investment
transverse moraine
trayer
triethylphosphine sulfide
trumle
tuberculoma en plaque
turbulent gust
ubiquitists
uncompetence
unpirated
use to
vocal folds
wailoway
windsleds
Yuecheng