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(201) / 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(132) / 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(132) / 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(178) / 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(178) / 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(174) / 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(231) / 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(176) / 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(178) / 评论(0) 分类 VOA标准英语2008年(十月)
学英语单词
Abel closedtester
agonism
amino-chloro-benzene
arthremia
Aruban Florin
ashings
astragalus mongolicus bune
atomic relation
automobile
autoreinfection
bio-psycho-social
BYTE Information Exchange
chilladors
choudhries
coal desulfurization
collateral fraud
comb shape
common-law writ
cramer's representation
crew landing permit
daunt
desklamp
deterministic GSM
eight-digit number
electric space heating appliance
Elloptic flow
EsQ.
family Suidae
female monarch
flaunt-tant
formulative
free a prisoner on probation
georgetowns
gingival fistula
have a bit both ways
incision inferius
inclusive-nor gate
internal-combustion tamper
lead borate glass
lyophilized biological
magnetizing field
major leagues
malakhov
manifold book
method of semi-average
model-makings
monodisperse spray
multiphase composite material
mutual affection
NEQ
nervus phrenicuss
nitro-paraffin
Nobel Prizes
non industrial
novirhabdovirus
offscapes
on-thejob
only a matter of time
open close time
patent abridgements
pediculosis pubis
photosensitive skin disease
Picea jezoensis var. komarovii
plough head
prinipal stress
procedure heading
protecting mask
pupillary membrane
radiator trap
resolution enhancement technology
ricolettaite
river course survey
roi soleil
roridiformis
salt dehydration
sash staff
scatter gap
sclerosing leukoencephalitis
sea-pike
semipermanent electronic storage
slaughterhalls
slide projector with zoom lens
smear me
Snphora tomentosa
space - time continuum
spatial reference
speechifiers
speed to pressure transducer
spin/slide protection
submarine launching
sunsety
swinging bracket
tangent of helix angle
terms of appointment
tetranal
Timinar
turn-taking
tydance
valvular pulmonary stenosis
varietalness
weightlike
white irons