[机] 硅酸钡

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(160) / 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(105) / 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(99) / 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(138) / 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(147) / 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(136) / 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(197) / 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(140) / 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(134) / 评论(0) 分类 VOA标准英语2008年(十月)
学英语单词
amount-of-substance concen-tration of B
Amphipsylla vinogradovi
analog amplifiei
anti-freezes
Baeza method
ballad metre
benzoxepines
bindiny mechanism
burst someone's bubble
Cancer borealis
Carya
cementing basket
cerargyrite (chlorargyrite)
chemically processed soy sauce
chemistry of Saturnian satellites
chemoautotroph
clickwrap
connecting station
constant amplitude fatigue test
contiguous memory allocation
cooling-heating cycle
crudware
dextrothyroxine
disk-resident system
display printer ports
dry up
electron-phonon collision
elfstones
evaporation from soil surface
fair in place
financial industry
fixed beam
fluidized particle quenching
flyblew
forgathers
furrow plough
gas orifice
grievesome
group some
GUBU
horizontal microprogram
human aging
immature cocoon
insculp
inset transmitter
kolkozy
large ring
large scale integrated circuit(lsi)
leg bone
longitudinal ventilation
mark to space transition
mint law
modern management
moist slantwise convection
molecular archeology
Muras
My Lai Massacre
needling agent
non-slurry pelletizing
norum's disease
nuclear-fusion
oryzas
osteocopes
owies
paganizing
petrol trap
postcalcarine sulci
potentiostats
pounding the pavement
Proccuran
program reference behaviour
Proxigel
proxy climate indicator
quarter dollar
reconciliation of bank accounts
Rosseland theorem
roussoella hysterioides
Salinas
sawar
separating powder
separation of boundary layer
Shaw, Bernard
specialized-news paper
speech spectrogram
Staffelbach
stellate bodies
substitute petroleum for coal
swimmerets
territorial space
tractordrawn
tree nursery
Trichodectes pilosus
tutcheria microcarpa dunn
umberest
unballasted
undersows
uphill flow
vanisheth
warblingly
water spray piping
wet flashover
zooarchaeologists