水合硅酸盐

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(162) / 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(100) / 评论(0) 分类 Scientific American(九)月

Miss Underwater, I've come to say goodbye Miss Underwater, please don't sigh Miss Underwater, stop singing lullabies Miss Underwater, refrain Miss Underwater, pretend that I am dead Miss Underwater, don't be sad Miss Underwater, it's only in your hea

发表于:2019-01-11 / 阅读(111) / 评论(0) 分类 金属

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(139) / 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(148) / 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(198) / 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(142) / 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(138) / 评论(0) 分类 VOA标准英语2008年(十月)
学英语单词
Akhaldaba
assateague i.
Asuke
asynchable abort
authoritative parenting style
Bann.
batoche
Bayt 'Imrān
bear a resemblance
beeweed
chaffer rake
chapadao do ceu
chrome hardened steel
co-operationist
comparison group
consumer wants
corporate family
corporate takeover
cosep
credit contraction
cylinder screen separator
dail-
dense gas
deobstructing
department audit
depository check
dermatoglyphicss
didions
engine-type plate
exersize
experimental neurobiology
f.c.c
fast forwards
FeliCa
fine abrasive
gallegan
gene inactivation
governor spindle
gpra
hiroshia iyoensis
horowitzs
intermediate class pavement
ivory-black
Jaune d'or
kemoite
kiack
krier
landing craft employment table
London paste
mancession
mannogalactan
margin for page
microamperemeter
monopyramidial kidney
multipartitioned blackboard
musical octave
Mycobacterium graminis
nagual
neodata
off-the-book
opening material
opening position
overflow cutting machines for aluminium wheels
painted silk fan
parkwest
pleyrotomy
plosser
PMW
pointer reverse
powder lancing
power supply
Pterygospinous foramina
pyrophoric barium alloys
quasi-derelict
ray acoustics
readed
rebellour
regolite
reloves
REVERT statement
riboflavin phosphate
sculks
self-propelled units
sense command
sickly complexion
sixteen-feet
smart-arsed
space-bounded Turing machine
sparseness
special brass
spherical sample
straight natural circulation operation
t-butylamine
tank cleaner
telescope tube
topotactic twin (ning)
tramping
tripod table
venalness
veracruzol
war-times
well-publicized