硅酸盐系统

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(286) / 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(218) / 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(224) / 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(258) / 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(292) / 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(253) / 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(341) / 评论(0) 分类 英文语法词汇

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(275) / 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(315) / 评论(0) 分类 VOA标准英语2008年(十月)
学英语单词
Abelonians
aluminium sodium fluoride
antiques shop
aubrietias
bannack
biological photography
bon appetit
booking agent
Bretanha
cam-and-counter cam
camphore
capacity of assimilation
Carex brownii
circis siliquastrums
complementary determining region
contra-sexuality
coustau
culcitas
cyanelles
decalcify
delay detonator
demographic change
dependent differentiation
developmental trend
Doppler ship's speedometer
double mathematical induction
dough-banging
elastic airscrew
Elatostema brunneinerve
entoire
esrun
Euro-wasps
Fawumang
floating laboratory
GCV
Gennadios II Scholarios
Ghost Speech
give up for dead
glossiest
Grosser Riedelstein
Görschlitz
Horsten
Hādipur
Idmū
inflected word
intergrator
intersexual male
isothermal procedure
itemized account
kakis
Lagopsis flava
Las Portas, Embalse de
Lünzen
manihot caoutchouc
mesuramic
minute-book
moisture burst
moral awareness
non-alphanumeric sign
nonwork
nozzle screen
nuclear data information center
oil export facility
out-of-plan freight traffic
patient status effective date
periodic ophthalmia virus of horse
placing and troweling
power generation by a solar chimeny
power range operation
protagen
pulse pressure
radiometers
recently-launcheds
rod end chamber
sado-maso
sariya
screw bolt and nut
semiliterates
sensitivism
sewage-disposal
socialist mode of production
soft nose
Southern African Development Community
spade-handed
spring gauze
strychninium
subsplit
synochal
Tjalling Charles Koopmans
transcendental anatomy
treasonless
trentepholia (trentepohlia) fuscobasalis
trespassin'
ultraphytoplankton
uranium(v) methoxide
Vao
visual demonstration
Volhard-Anold's methods
Waldeyer throat-ring
waterstons
welted seam
Zlarin