音标:[,ɔ:θә'silәkeit] ;
正硅酸盐

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(150) / 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(100) / 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(92) / 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(127) / 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(137) / 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(130) / 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(192) / 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(129) / 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(126) / 评论(0) 分类 VOA标准英语2008年(十月)
学英语单词
abd., abd
aerodynamic vane
amphilogite (didymite)
ASBATANKVOY
authorization by warrant
autumnal fever
ball seat
beslavers
beyond you
blade spacing
bromide paper
catalan polyhedra
cell-fusion factor
change in load
chattee
clairin
clockptime scheduling
controversal
crop-dustings
crush rooms
Daphnephoria
dioxadiene
diplazium tomiteroanum masam.
domain of information theory
drosophilids
easing centres
fiador
fikele
finish lead
five-way cock
flower bud initiation
fraxinine
gashelmet
gear cutting machines
henry ivs
hertsmeres
hierarchical planning
hollow-bowl clarifier
hysterotomy
information system security
insolens
intestinal navel
irrebuttable presumption
job order product
joint access
kempinski
Maevarano
micropyle
muckmidden
neutron fission-scintillation detector
nilox resin
number of revolution per minute
nutation disc flowmeter
observational twilight
Octoknemaceae
old head on young shoulders
oophore
optimizing performance
order per second
Orthoriebeckite
over-the-horizon radar
phosphate glass solidification
Pictish language
pink priming R.M.paint
pitch paver
proplatelets
puppyish
put ... hands together
quarried
rack of lamb
radioactivetacer method
receive odds
reciprocatory
resistance-capacitance shaping circuit
reversal in loading
rhombic holohedral class
rig boom
Salisbury dark box
scale-like
sht.
similies
snow-apples
soldering-paste
soliciting business
speed/attitude control system (sacs)
stereopter
stratocumulus castellanus
subimage
sulfuric acid paste
swimming boom
tea rust mite
testable
toll plaza
trigger recognition
two heads are better than one
ultrasonic scaling
unforgivingly
vassaldoms
venereal disease
virokines
well-wroughts
zhytomyrska oblast (zhitomir oblast)