[化] 原硅酸镉

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(208) / 评论(0) 分类 口腔临床英语对话

New Solar Cell Minimizes Environmental Risks in Manufacturing Process 新的太阳能电池减少生产中对环境的危害 Scientists in England report the development of a new solar cell that minimizes environmental risks in the manufacturing proc

发表于:2018-12-08 / 阅读(194) / 评论(0) 分类 VOA标准英语2014年(六月)

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(136) / 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(135) / 评论(0) 分类 Scientific American(九)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(182) / 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(180) / 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(177) / 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(235) / 评论(0) 分类 英文语法词汇

BEIJING, Feb. 2 (Xinhuanet) -- The source of cadmium contamination in the Liujiang River had been blocked and tap water in Liuzhou is safe to drink, said environmental officials of the Guangxi Zhuang autonomous region on Wednesday. Tap water from Liu

发表于:2019-02-03 / 阅读(193) / 评论(0) 分类 英语新闻

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(179) / 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(182) / 评论(0) 分类 VOA标准英语2008年(十月)
学英语单词
alternating-current main
aluminium sheathed cable
automatic governor
bacillus of alopecia aretata
backburns
baghouse precipitator
barometer-makers' disease
base of a range
basic operating system software
bergeron effect
bilateral payment agreement
bile duct cannulation
bone-mill
Cabulan
cantarists
ceasar cipher
charge code
compensatory financial of export fluctuation
cunninger
cylindrical gauge
delattre
directorate of civil aviation (dca)
dislocation of interphalangeal joint of hand
dogbreaths
dorfmann
Dostyk
dough mill
driving wheel set
Echinochloa phyllopogon
electric geological survey
estimating of crude oil
extreme conditions
ferison
fieldtron
figure-casters
frozen carcass
gate level logic simulation
generality quantifier
geobiocoenosis
hemiglossoplegia
hologram plate
hopf ergodic theorem
hydride descaling
i couldn't tell you
in face
indevotional
Jaceaba
kirkes
lampist
laser monitoring
long-term credit market
low-luster
Margaret Of Provence
mistyped
Muldoon
mzansi
nash-cloth
nhlpa
night-by-night
nom.
nonjunctional
nonstriking
nonwaxed
Northwest Mounted Police
ouzos
paleodendrologies
PGE2-15-hydroxydehydrogenase
phenylethyldiguanide
piezoelectric immunosensor
Populus monilifera Ait.
port flow control
pretensary
Procerorvum
processing of material provided by foreign clients
Riebeek-Kasteel
riou
rounds of golf
Rukungiri
sclerals
semi drop center rim
shelf fungi
side-cutting combine
smooth-off
snowmass
source of supply
stanacka
stand-stills
stranger species
subvertant
swedberg
Taitzehoella
technomaniac
thermal diode
tool post for rear cross slide
upper frequency limit
ventral stolon
virtual privacy network
viscosity curve
weather opening
whorecop
windscreen washer
zippering