非硅酸盐

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(120) / 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(79) / 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(69) / 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(99) / 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(112) / 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(101) / 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(164) / 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(100) / 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(92) / 评论(0) 分类 VOA标准英语2008年(十月)
学英语单词
a-c reclosing relay
adjustable gage
allyl sulfocarbamide
altchek
ancestral chromosomal segment
anticor
budzynski
call the attention of to
Campanulastrum
canalization project
car sickness and sea sickness
cash disbursement slip
chording factor
coilective prophylaxis
colloidal medium
compressed air illness
congenital familial cholemia
cosmetic medicine
cpi communications driven application program
dappen dish
definition of decomposable production system
denley
Distoma heterophyes
do as you please
double-thong
duplicidentate
erythorbates
factorable motion
fasciatome
fossilizations
free banking principle
friction and windage loss
front combination lamp
full stop landing
gabbro-diabase
genemi (ganami)
gyps
Halanly
harvest proceduse
hydrogen isocyanide (hnc)
image communication system
incompetent fold
incremental coordinate
induced heaving
Interactive Cable TV
irregular can double seamer
janu
Kasasi
Lehe
linear voltage displacement transducer
local road
man-rope knot
Mengong
mmboes
moth balls
nanba
nonfamiliarity
obliviation
organodynamisme
Osmunda clatonia
overall operating width
pade
Peronal Digital Assistant
phenylethyl hydantoin
physiological anemia
place a price on someone
pneumonopleuritis
portable downdraft submersible pump
preloaded bearing
principle of virtual work
pure rent
raceme-cyme
readies-to-use
resposibility
ride one's luck
rueth
same old same-old
ship control
shot-peened surface
smoke vent opening
snipe fly
spacecuts
speared
system margin
system marginal price (smp)
Ségrie
thaliotrine
Themisto
Theravim
tobramycins
tofo
toles
treesystem
tsaralaza
unconcious
under cut of tunnel
uniform diffuser
well ordered set
wool in the grease
work difference
wratch
yanovsky