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
actual upper bound
AFSOUTH
air gap magnetic flux
amway
antivivisection
apologization
Arnold Gesell
avenasterol
banana beetle
bill acceptance
biostation
boatlet
broad on the beam
carpet herb
cerebral calcification
chrysanthemum morifoliums
colite
collieite
condensing engine
conformal coating
cosmetical
Crocco's theorem
crooked log
customer-support
cyto
darkroom illumination
deterministically
Ditripentat
domestic variety
double coincidence of wants
duirinishes
equitable principle
farrier
FM terminal equipment
gas fired cupola
genus seselis
gnathobasal seta
ham flaps
have no place
home construction
homiletically
hood end
implementation grammar
inherent priority
interest receivable
interference coefficient
jack block
lead explosive
Les Lucs-sur-Boulogne
levelizes
lucicutia clausii
Lyon phenomenon
make mincemeat of sb
malt
masnulonucleus
mchorney
metastable limit
micropolar analyser
multi-indexed process
nano-objects
nestea
nick-stick
oil filter gasket
pl.i
planetwide
plankton net
posteroinferior lobule
Presberg
psammous carcinoma
pumping table
purine
pyrazinecarboxamide
Redemptorist
repartitions
revert reverse voltage
riebeckite-microgranite
ringed network
salary band
scorpionate
senmao
set to false
shoulder neck point
siphonula
sit by and do nothing
skelpers
spermaticidal
stare after
staurogram
submersible lifeboat
succota
tacops
tapered ring seal
three-voltmeter method
tooth-angle device
Trema tomentosa
triple row
triroll gauge
universologists
vibrating electrode
water-budge
Wei-ao-Xin
Whitespotted