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
Agriculture Act
anti-seasickness tablet
apenniness
archipenko
assimilate into
automatic quality control
baby-mother
bon-mot
brasels
chiromancer
coco peat
computerworlds
counterpurchase
crown filling
cryptomenorrhea
cytochondrion(pl.cytochondria)
damwoude (damwald)
dentinal canaliculi
disgracement
displacement analysis
dobby jack
dry crystallizing
dulcimerist
duty factor of transmission
dynamitards
earlishness
El Seibo, Prov.de
eltchi
erection by overhang
every last bit of
excellentness
exhaust valve
F9
flexible disk drive
fogle
forced conversion
freight and miscellaneous charges
garden layout
genus Chaenopsis
George, Stefan
gird-brew
goongarrite
Graham Passage
guy-wire
Heavener
holiday
human therapeutics
hurumite
initial ash softening point
insulating V-ring
island cotton
Kolana
lasing beam diameter
lead base babbit
listening and ringing key
lolly water
low egg passage
mach trim compensator (mtc)
maschwitz
moment axis
Montes Claros
mutual cancellation
narrow energy gap material
naucraries
non-act
paracalanidae pavoninus
paramyxoma-like bodies
parapsychism
parathyroid autotransplantation
payable at a usance
percolating filter
permanent finishing
phosphoric acid extraction
punditariat
purchasing agents
Rancho Boyeros
ready cash
remittance letter
Rhode Islander
San Justo
secondary root cement
sector field
shifting tenderness
ship ventilation
shitface
Sirindhorn
sole custody
speedy deleting
state-church
strap-like
subconjunctival capillaries
TFU
two-stage centrifugal pump
typhoon-lagoon
unpile
urina cruenta
Wagini
ways to go
well oiled
wonton soup
wrapping of intracranial aneurysm
zincowoodwardite