架状硅酸盐

Good morning Mrs. Hall. If none of your teeth are bothering you, I'll restore the tooth with the largest cavity. 霍尔太太,早安。 假如你的牙齿不让你难受的话, 那么我就把蛀的最厉害的牙补一补。 This is the tooth th

发表于:2018-12-03 / 阅读(192) / 评论(0) 分类 口腔临床英语对话

When Pyrex(公司名) cookware first came out, it was advertised as the ice box to oven, because itwas made of borosilicate glass which could weather large temperature changes without undergoing thermo-shock and shattering. But today, Americans Pyrex

发表于:2018-12-24 / 阅读(125) / 评论(0) 分类 Scientific American(九)月

This is scientific American sixty seconds science. I'm Christopher Intagliata. Got a minute? When Pyrex cookware first came out, it was advertised as icebox to oven. Because it was made of borosilicate glass which could weather large temperature chan

发表于:2018-12-24 / 阅读(119) / 评论(0) 分类 Scientific American(九)月

This is the VOA Special English Development Report. Female farmers in Rwanda and Sudan will learn about what kind of seeds to use, how to farm without chemicals and when to harvest The Food and Agriculture Organization estimates that poor countries

发表于:2019-01-11 / 阅读(183) / 评论(0) 分类 VOA慢速英语2008年(八)月

senior United Nations' official in Asia says the financial crisis hitting regional economies is an opportunity to boost investment in green technologies to impact climate change. The comments by U.N. Undersecretary General Noeleen Heyzer, head of th

发表于:2019-01-13 / 阅读(160) / 评论(0) 分类 VOA标准英语2009年(二月)

A few months ago the fairy tale came true. 几个月前,童话故事成真了! We announced to the world that we know what these streaks are. It's liquid water. 我们向世界宣布,我们已经知道这些条纹是什么了。是液态水。

发表于:2019-01-18 / 阅读(169) / 评论(0) 分类 TED演讲科学篇

Cassini just a few months ago also flew through the plume, and it measured silicate particles. 卡西尼太空船几个月前又从这些飞溅的水流中穿过,它检测到了硅酸盐颗粒。 Where does the silica come from? 这些硅从哪来的

发表于:2019-01-18 / 阅读(168) / 评论(0) 分类 TED演讲科学篇

Science and Technology Plastics There and back again 科技 塑料 旧法新用 An old idea may help solve the problem of plastic waste 一个老方法也许可以帮助解决塑料垃圾的问题 PLASTICS were once regarded as wonder-materials. They

发表于:2019-01-26 / 阅读(157) / 评论(0) 分类 经济学人科技系列

manganese n. 锰(元素符号为Mn) mantle composition 覆盖物的成分 Mercury n. 水星 molten v. 溶化;adj. 熔铸的 monitor n. 监视器,监控 mudflow n.[地] 泥流 Neptune n. [天]海王

发表于:2019-02-02 / 阅读(216) / 评论(0) 分类 英文语法词汇

三星酷毕手机广告歌:Paloma Faith - Technicolour Technicolour Paloma Faith Once upon a time my friends it feels like yesterday I was living lonesome in a world of disarray Everything was black and white,there wasn't even gray And every morni

发表于:2019-02-03 / 阅读(169) / 评论(0) 分类 好听的英文歌曲

BEIJING, Nov. 7 (Xinhuanet) -- A huge asteroid will pass closer to Earth than the moon on Tuesday, but experts say there is no cause for alarm. Asteroid 2005 YU 55 will pass about 300-thousand kilometers from the earth. The giant space rock is about

发表于:2019-02-08 / 阅读(168) / 评论(0) 分类 英语新闻

The U.S. space agency NASA's Mars probe Phoenix has detected icy snow falling through the Martian atmosphere. The spacecraft has also discovered material in the planet's soil that is leading scientists a step closer in their conclusion that life pro

发表于:2019-02-08 / 阅读(167) / 评论(0) 分类 VOA标准英语2008年(十月)

Reporter: With the theme of Ecology, Information and Life, this year's Urban Tec Asia, the fourth of its kind, aims to address the most painful urbanization problem - ecological damage. Top intellectuals and businesses from around the world will focu

发表于:2019-03-04 / 阅读(269) / 评论(0) 分类 2016CRI中国国际广播电台
学英语单词
acoustic beams
adhering liquid
aerie
Air Pollution foundation
alarm-word
algorithmic routine
angersome
antileather
antipions
bacillus cholerae
bar feed mechanism
betaloc tablet
Botallo
caespitosum
camel's - hair
caustic sediment
chamber pop
Chief Immigration Officer
chisel cultivator
chopping block
closed case
code combination
coincidence count probability
compd.
complete abstraction
cut-off wavelength
D'Entrecasteaux Islands
D. C. L.
Diarrest
dieron
digenic acid
Donder's butter
drilling spindle
economising degrees of freedom
emperic
epitcclipinolide
export promotion policy
faradise
feels up to
fibrous soil
flash-gun
fore-gird
forslowth
frens
frequency primary standard
frostrup
gear idle
Ghargharib
graded coil
graters
hammer crusher
hereditary property
improper feeding
inflammatory regeneration
keyholding
Lenoxville
Livierato's tests
MacAr.
mass storage control twin port
media manager
melanotropin
missile guidance system
named train
near-Gaussian pulse shaping
nonfinitely
nonmetabolizing
numbered scale
pinfeather
plaisterly
polyatomic molecule
polycephaly
Popham
premature eruption of permanent tooth
puccinia solmsii
pulley assembly
qurei
radar data processor (rdp)
reserve of buoyancy
rhaphuma ogatai
riffages
rinse fill
Sampa
sand recycle system
sectionalized single-bus with transfer bus configuration
shakerss
sheet wash
start light
steam station
stretta
suprarenogenic syndrome
synthetic enamel
system kernel
taphrolith
Temirlanovka
teppan
thielemann
tonelson
tube spanner
uredinopsis kameiana faull
weak causality
where the wind lies
wide-screen projection