硅酸钪

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(203) / 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(134) / 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(180) / 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(179) / 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(176) / 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(234) / 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(177) / 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(179) / 评论(0) 分类 VOA标准英语2008年(十月)
学英语单词
added weight method
affirmatively
aglyco-receptor
air swirl pipe
all over with
anterior scrotal veins
anthroposophagy
antrum mastoideum
azasetron
Azumaya-san
balance-like diastrophism
be silent about
Beauty is in the eye of the gazer .
bed moulding
binary alloys
binary octal
blunging
Bolkow
bomba
boxlikest
catch all
cavum pericardii
chic sale
choral
circuit time
common initial cell
conditions
context-free speech
date/time of attestation
decontaminates
default of acceptance or of payment
distobucco-occlusal
disturbing the peace
divergency
dynamic behaviour
dynopsylla pinnativena
econometric study
electronic bank
elk test
EMX
endometritis dolorosa
etna
executest
finitism
flap inlet
gear axial plane
giant platelet syndrome
Grant Center
ground resistance
industrial waste(water)
industrial-accountant
intercapped
interkinesis (gregoire 1905)interphase
intrauterines
inverse gas chromatography
largess
laser low-light level television
liaison psychiatry
lubna
lumber winter load line
main reinforcement bar
malyshev
maximum suction
microlender
micropsychosis
money cowries
nadgers
newports
nonpathology
nonstripping
nonzero-offset VSP
oil herbicide
palisade worm
panorpa lintienshana
parasitic stomatitis
password list
pipe frame keel
primitive culture
punctulation
questiers
racemose cyme
reactor operator
realisticness
reversed thinking
rheostat slider
sappression of menses
sell-off
sign one's name
slow cooling box
Swazilanders
tangled stems
taxation system based on progressive rates
thelypteris angustifrons
trialled
Trueman
Vasten
vertuose
vitro-ceramic
vuolo
waterproof propeller
wet scrubber
yelloes