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(134) / 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(92) / 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(84) / 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(112) / 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(126) / 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(117) / 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(181) / 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(119) / 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(107) / 评论(0) 分类 VOA标准英语2008年(十月)
学英语单词
anhydrous slufuric acid
anticolonization
be surprised at
bimetallic condenser
bitonally
boilly
buco
bully-ragging
Cairngorms
capitals of poland
cargo boat
chordates
chronic obstructive pneumonia
circumstantly
club heads
coil with sliding contact
compensatory system of maternal and child hygiene
composite item of cost
computer-controlled telegraph switching
conseil de surveillance
constancy of measuring instrument
continental fauna
contract change analysis
Controlled Substance Act
cover short position
cream beater
culturally-loaded
cyclosorus papilio
DBSP
denaderise
dysdercus decussatus
eads-allah
Eagle Point
Elatostema brunneinerve
end of extent
field blanking impulse
flame-propagation
fractionated sedimentation method
get more bang for your buck
have an a card up one's sleeve
holophyly
hydraulictransformer
insoluble amidin
Integral Belt
integrated line
inter-tribal
introspectionists
Legential
liver chestnuts
locks up
macro structure
mechanical behavior
Megamonas
microbiological investigation
Minmetals
monarthritis gonorrhoica
motorized knapsack
motorreducer
netlog
nicener
nose-cone
notekeeping
ordinary working hours
osmoprotectants
pampean
pearlitic iron
pentraxins
phloem boundle
photonitrification
pixel peepers
primary calibration
provise
redemption of a promise
rich bearing tree
schmauder
searse
seasonal creche
self-holding circuit
silver glance
Smith, Charles Henry
soberised
stabilizing tuned coil
stage party
straw polls
stripdown
synachrom
thiamine mononitrate
tractor machine
Traffic Tetris
trevan
tuntse
underplots
upward adjustment
v. stylomastoidea
volatile markets
waist thickness
West Papua
wild ox
wingbone
without a rap
yankah
yielding as wax