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(240) / 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(166) / 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(175) / 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(208) / 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(231) / 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(204) / 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(269) / 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(216) / 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(236) / 评论(0) 分类 VOA标准英语2008年(十月)
学英语单词
acid embrittlement
active period
ALICE, Alice
annular hydraulic jump
armed services editions
bad iron
basal thrust plane
biology of bone marrow transplantation
biprenorphine
built-in stabilization
c clamp
chipping-out
chronical
cloth inspecting table
colege
computer audit programme
demin
direct room load
discipline enforcement
dividence
DPBI
e-noses
electronic states
family of confocal quadrics
first order station
floch
game watch
glazed tile
grouping sheet
high basicity sinter
hodology
HVC (hardened voice circuit)
I'm easy
ice-axes
in-string command
inch trackers
iterative match
ixtlan de juarez
Jagiellon dynasty
Junnar
Kikuko
knockout pin
lamellaris
lewis theory of acids and bases
lunch out
mechanical error
methylmitomycin
miccosukees
Michigan Regional Network
midi-chlorian
moonlets
multi-sources
Nestor notabilis
no select
non-metallic resistor
noncinema
on the occasion of
oswald veblens
packing credit
Perkins joint
plumster
positive return cam
post extractor
problem reduction approach
profits policy
pure'e
Rubus corchorifolius
salant
scanning reticle
served
shipkiller
single-cell recording
slide wire resistance
soi-mos devices
spare wheels
Sparnacean
spodogram
statisticization
steel punching
stonehatch
strongest topological structure
subcostal line
tactical nuclear weapon employment
tenant in fee simple
three sided file
tie up loose ends
torpedo mine
tow-iren
transmission-line cable
typewriter output routine
unbarked wood
under the influence of drugs
Usmān Kot
utilization ratio
vulvectomies
wall covering
wall frame
WBGT
wristbands
XRMR
youthifying
zonal index of circulation