活性硅[酸盐]

BY STEPHEN R .COVEEY The first habit is 1)proactivity. Be proactive. The word proactivity is fairly common in management literature, but you won't find it in the dictionary. It means more than merely

发表于:2018-11-28 / 阅读(427) / 评论(0) 分类 疯狂英语2001年

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(279) / 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(213) / 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(217) / 评论(0) 分类 Scientific American(九)月

This is Scientific American -60 seconds science. Im Cynthia Graber. This will just take a minute. A coal mine can degrade its local environment. But fungus may inadvertently help clean up the mine with its own waste products. Researchers worked with

发表于:2019-01-08 / 阅读(338) / 评论(0) 分类 Scientific American(七)月

This is scientific Americans 60 second science,I'm Cynthia Graber.This will just take a minute.A coal mine can decrease the local environment but a Fungi may indivertantly help cleanup the mine with its own waste products. Researchers worked with the

发表于:2019-01-08 / 阅读(327) / 评论(0) 分类 Scientific American(七)月

HEALTH REPORT – December 4, 2002: Test Warns of Heart Attack Risk By Jerilyn Watson This is the VOA Special English Health Report. Since the nineteen-fifties, American doctors have tested their pati

发表于:2019-01-11 / 阅读(328) / 评论(0) 分类 健康与环境

英语美文-主动与被动语言的重要性 语言是表达自我,交流十分重要的途径。一个人的语言能传达很多信息,包括一个人的性格,思维,态度,生活环境,经历,职业等等。很多时候,我们作为

发表于:2019-01-17 / 阅读(248) / 评论(0) 分类 卡卡课堂早餐英语

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(256) / 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(286) / 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(244) / 评论(0) 分类 经济学人科技系列

HEALTH REPORT-Heart Disease and C-Reactive Protein By Cynthia Kirk Broadcast: Wednesday, January 19, 2005 I'm Gwen Outen with the VOA Special English Health Report. American researchers have found evi

发表于:2019-01-30 / 阅读(339) / 评论(0) 分类 健康与经济

C-reactive protein is an indication of inflammation in the body, and, at high levels, is considered an early sign of future heart disease. It's a risk factor in a similar way that elevated cholesterol is a risk factor for heart disease, says Asheley

发表于:2019-01-31 / 阅读(288) / 评论(0) 分类 VOA标准英语2010年(三月)

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(337) / 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(269) / 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(311) / 评论(0) 分类 VOA标准英语2008年(十月)
学英语单词
a bill to order
accordion-vibration mode
amenorrheas
anticlerical
antimonarchical
asian paradise flycatcher
atpcs
balancing of tyre
barren grounds
be pregnant
beetrooty
bilge level
Bird City
blue blazers
bradyphrenia
campingaz
cledge
common communication key
contract for construction projects abroad
controlling company accounting
cost-related rent
customary's statement
die scalping
dilatant thickener
distribution agreement
dog on it
ear-sight
enterprise management information system
eolian sounds
eternifying
fei ling p'ao
ferd
fiorello
Flogobron
gimchee
goboned
Gualeguay
histotrophic nutrition
hot blast air
hydraulic pressure engine room
hydro-exostosis
hydrocarbyl
implicit promotional allowance
industrial slag
ion exclusion column
isopolytungstate
kalw
kenlins
lien (on goods)
lithium bromide
luksan
madbrain
Morfine
moving-coil-type instrument
muleman
multi-drum winch
multiple bus control processor
mutabaruka
nutritional exacting grade
oil tightness
one term
overriding commission
packing design
palpebro-auricular
Phascogale
plateau mire
postliterate
pre-scheduled
propyl urethane
puccinia glumarum
purchasing and inventory control
put oneself on the map
quantum law
raise sb's hackles
re-wirings
receptor isoform
rectilinear coordinates
republicanized
revers saturation current
Rudol'fa, Ostrov
saxes
silkweed
single doped laser
slatish
snarflin'
spicaria pracina
stand-replacing
stock position report
struma ovarii
sucholo-albumin
theoretical mode
thorsson
umbra of a sunspot
unprisoning
vt100
warmly invigorating heart and lung
warning position
Web service
west by north
What is sauce for the goose is sauce for the gand
wolfwoman