[建] 佛硅酸铯

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(302) / 评论(0) 分类 口腔临床英语对话

The flu epidemic intensified a few week ago, but it continued to worsen with widespread outbreaks being reported in every state except Florida. NBC's Robert Bazell reports. And there's new information tonight about this year's flu epidemic and why i

发表于:2018-12-11 / 阅读(530) / 评论(0) 分类 万花筒2008年

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(236) / 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(235) / 评论(0) 分类 Scientific American(九)月

[00:06.37]The United States has a new official clock. [00:10.95]The clock began operating late last year in the American city of Boulder,Colorado. [00:18.39]Experts say the new clock is so exact that it will neither gain nor lose so much as one secon

发表于:2018-12-26 / 阅读(345) / 评论(0) 分类 美国英语听力80篇

Swine flu spread 'not sustained ' 猪流感疫情继续传播 The number of confirmed cases (确诊病例) of swine flu in the UK has risen to 15. 英国猪流感确诊病例上升到 15 人。 The increase, from 13, comes as health chiefs await the results of more than 60

发表于:2019-01-07 / 阅读(320) / 评论(0) 分类 英语新闻

Youve given some thought to oxygen, carbon, uranium. But youve probably never mused about the element ytterbium, symbol Yb. A new study by scientists at the National Institute of Standards and Technology, or NIST, says that ytterbium could find a rol

发表于:2019-01-08 / 阅读(300) / 评论(0) 分类 Scientific American(八)月

THE HAGUE, June 24 (Xinhua) -- Bird flu was discovered at a poultry farm in the central Dutch province of Flevoland, the Ministry of Agriculture said Friday. It said the virus discovered was a mild variant. The farm's 47,000 chickens were slaughtered

发表于:2019-01-11 / 阅读(320) / 评论(0) 分类 英语新闻

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(267) / 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(307) / 评论(0) 分类 TED演讲科学篇

Larry has the flu. His nose is running. He coughs a lot. He sneezes a lot. When he coughs, he covers his mouth. When he sneezes, he covers his mouth. When his nose is running, he wipes his nose with a tissue. Larry's mother is taking care of him. She

发表于:2019-01-24 / 阅读(353) / 评论(0) 分类 英语第1级听力-English Level 1

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(269) / 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(354) / 评论(0) 分类 英文语法词汇

Fourth confirmed swine flu case 第四例猪流感确诊病例 Anti-viral drugs are being issued to treat those affected by the flu A fourth case of swine flu has been confirmed in Northern Ireland. A man who has recently returned from Florida has tested posi

发表于:2019-02-04 / 阅读(264) / 评论(0) 分类 英语新闻

Tokyo has first swine flu cases 东京第一例猪流感确诊 Health officials in Japan have confirmed the first cases of swine flu in the densely populated (人口稠密的) capital, Tokyo. Two schoolgirls tested positive for the H1N1 virus after their return

发表于:2019-02-04 / 阅读(286) / 评论(0) 分类 英语新闻

CANBERRA, Aug. 31 (Xinhua) -- Australia's new chief medical officer, Professor Chris Baggoley, on Wednesday said Australian should not be worried about reports that a mutant strain of the deadly bird flu virus is spreading across Asia and beyond. On

发表于:2019-02-08 / 阅读(352) / 评论(0) 分类 英语新闻

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(293) / 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(333) / 评论(0) 分类 VOA标准英语2008年(十月)

As an ass was quietly dining on thistles,he beheld a shepherd seated beneath a tree,awakening sweet echoes on his flute,and charming the ears of all within hearing,excepting our discontented lop-eared brute,who thus soliloquized:The world

发表于:2019-02-08 / 阅读(348) / 评论(0) 分类 趣味英语

白洁得了流感! 白洁 caught the flu!! 还有谁感觉 really gross!? 1) flu 流感 2) I feel so gross 我感觉很不舒服 3) Call in sick打电话请病假 4) Sick in bed 卧病在床 5) Get well soon! 快点好起来呀!

发表于:2019-02-20 / 阅读(264) / 评论(0) 分类 OMG美语
学英语单词
abrupt wave
accreditor
air delivery duct
bell stage
biological analysis
bitsquatting
blow and blow process
break-bulk general cargo
carpilius convexus
cast in chilling
castellabates
cazenoves
centered simple wave
centrallymounted
childcarers
coenobita violascens
complainees
counterculturalisms
cover stock
cushion area
DiGuglielmo
dinsidon
double magnetic circuit
double null diverter
double wound synchronous generator
drum reactor
dual amplification
engine vibration monitor (evm)
ergonine
exorista rusticella
floatability
foilborne
full sibling
genus blandfordias
gizzy
Golgi body
Grandjean's organ
grayscales
guarantor marital status code
Hexlet air sampler
human acoustic measurement
impulse burner
in-lines
inertial navigation/attack system (inas)
insaniate
john mercers
leads-in
lifting speed control
local prescription
lustfuls
macmillian
many hands make light work
massood
matrixitis
maxtar
microsyenite
mid-variety
monstrositas
multiple-blade mixer
neopsylla constricta
neutron-scattering an-gular analyzer
no seedlings
non-attenuated power oscillations
ocean sediment
officer-of-the-deck
outspeeds
oyster-producing
paradigms
paraffin slop
perforating computing typewriter
peripheral arterial resistance
Picrotol
pictorial writing
piston drive
precision turn
primitive cell
push-type clasp
quainter
radioactive tracer technique
relic endemic species
roller iron
saturation flux
scrapping of bearing
silk finish calender
sitting tenant
small frog in a big pond
sodium paraaminosalicylate
speywood
spilitic suite
spool position
Stanley, Chutes
stockest
sub-ophlitic texture
tungsten fuse
ungored
vanadium(iii) selenide
viscosity conversion table
vitriols
white - knuckle ride
wirelessness
wum