双组分触媒;双组分催化剂

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Its the time of year to take a look backand thats just what the journal Science did as they listed their most important breakthroughs of 2008. At the v

发表于:2018-12-02 / 阅读(99) / 评论(0) 分类 Scientific American(十二)月

为实现自己的留学之梦,无数学生默默地在GRE考试中付出自己辛勤的汗水。所有GRE高分故事背后都有值得我们学习的GRE备考经验。相信这样的一个个GRE高分故事能够在你备考GRE考试的过程中送

发表于:2019-01-03 / 阅读(216) / 评论(0) 分类 GRE英语

This is Scientific Americans 60-Second Science. I am Cynthia Graber. This will just take a minute. Solar panels typically convert sunlight into electricity or heat. But photosynthetic vegetation converts sunlight into chemical energy. Now M.I.T.s Dan

发表于:2019-01-04 / 阅读(93) / 评论(0) 分类 Scientific American(八)月

12 科技新闻摘要(一) DATE=3-13-01 TITLE=SCIENCE IN THE NEWS #2115 - Digest BYLINE=Staff VOICE ONE: This is Bob Doughty. VOICE TWO: And this is Sarah Long with Science in the News, a VOA Spec

发表于:2019-01-07 / 阅读(52) / 评论(0) 分类 科技之光

Every morning my daughter and I go for a twenty-minute walk to my workplace. For me, in those twenty minutes, Im in transit. For my toddler, its nothing less than a parade of flowers, fire trucks, pebbles, and friendly folk. 每天清晨,我的女儿

发表于:2019-01-08 / 阅读(71) / 评论(0) 分类 阅读空间

Authorities in Western Australia say they can show the world how to conquer a water crisis that had threatened to decimate the state capital, Perth, amid a long-standing drought and declining rainfall. Desalination is at the heart of Western Austral

发表于:2019-01-13 / 阅读(82) / 评论(0) 分类 VOA标准英语2009年(二月)

Kid Rock describes his latest album, Born Free, as organic blues-based rock and roll. Born Free is Kid Rock's first new album in more than three years. He left the comforts of his home studio in Detroit, Michigan to record the collection in Los Angel

发表于:2019-01-14 / 阅读(92) / 评论(0) 分类 VOA标准英语2011年(一月)

职场晋升真的男女平等吗 A study shows a large gap in perceptions among the sexes in who has more opportunities for advancement -- men or women. 职场中男性与女性谁有更多的晋升机会?一项针对该话题的调研显示,男士

发表于:2019-01-15 / 阅读(85) / 评论(0) 分类 实用英语

By Katherine Cole Washington 09 April 2007 For 10 days every year, the place to be for America's entertainment industry is not Los Angeles or New York City, but rather Austin, Texas. Performers and fans flock to Austin to attend the annual South By S

发表于:2019-01-16 / 阅读(233) / 评论(0) 分类 2007年VOA标准英语(四月)

It's been 10 years now since the attacks on September 11, 2001 that killed thousands in America. For families and friends of those killed, the pain is still raw. However, the tragedy has proved a catalyst for one organization to rise out of the rubbl

发表于:2019-01-19 / 阅读(87) / 评论(0) 分类 世界各地新闻集锦

By Margaret Besheer New York 19 September 2007 A new U.N.-sponsored initiative is being launched to bridge the digital divide and connect African countries with each other and the rest of the world. VOA's Margaret Besheer reports from U.N. headquarte

发表于:2019-01-26 / 阅读(90) / 评论(0) 分类 2007年VOA标准英语(九月)

GRE频道为各位考生整理了带你领略GRE填空解题流程,供考生们参考使用,更多GRE辅导请继续关注新东方网GRE频道。 1.逻辑关系 GRE填空考察的就是整体逻辑语言的能力,考生的任务就是找出句子

发表于:2019-02-01 / 阅读(94) / 评论(0) 分类 GRE英语

在即将挥别过去十年之际,试问中国最流行的网络语录是哪一句?相信很多人都会提到人生就是一个杯子,而它是杯具还是洗具,全由你自己选择。 What are Chinas most popular online slang terms as we ap

发表于:2019-02-01 / 阅读(84) / 评论(0) 分类 英文语法词汇

Why do so many working moms careers stall out when they hit middle management? Disagreement over the answer has often sparked hot debate. 为什么很多上班妈妈当上中层管理人员后其职业生涯就陷入停滞?对这个问题的不同回

发表于:2019-02-18 / 阅读(74) / 评论(0) 分类 实用英语

Recent internet mishaps that victimized giant online service providers Alipay and Ctrip have again sparked concerns over information security in China. Chen Wei from the Ministry of Industry and Information Technology calls on the country's software

发表于:2019-02-18 / 阅读(44) / 评论(0) 分类 英语新闻

Give me a decaf triple vente, 2 pump vanilla, non-fatm extra hot, stirred, no foam caramel macchiato with whip cream and caramel sauce top and bottom. 给我一杯热的、无咖啡因和泡沫的香草糖浆脱脂加奶油浓缩式焦糖玛奇朵咖啡

发表于:2019-02-18 / 阅读(110) / 评论(0) 分类 阅读空间

Give me a decaf triple vente, 2 pump vanilla, non-fatm extra hot, stirred, no foam caramel macchiato with whip cream and caramel sauce top and bottom. 给我一杯热的、无咖啡因和泡沫的香草糖浆脱脂加奶油浓缩式焦糖玛奇朵咖啡

发表于:2019-02-18 / 阅读(252) / 评论(0) 分类 阅读空间

How Well Are You Performing in Your Different Roles? Each day, you play a number of different roles in both your professional and your personal life. Your professional world is a large part of what you do but if youre striving for excellence in this

发表于:2019-02-20 / 阅读(46) / 评论(0) 分类 阅读空间

近日刚开始背GRE单词,闲来无事,随便总结总结,看到这些单词感觉很放松,没觉得它们是GRE单词,特与大家分享,希望大家喜欢!! 夏利(汽车)Charade (charade n.看手势猜字谜游戏)--bump

发表于:2019-02-25 / 阅读(104) / 评论(0) 分类 GRE英语

The humanitarian model has barely changed since the early 20th century. 人道主义的模型自从20世纪初期就几乎没有改变过 Its origins are firmly rooted in the analog age. 它的起源在模拟时代就根深蒂固了 And there is a ma

发表于:2019-03-04 / 阅读(118) / 评论(0) 分类 TED演讲教育篇
学英语单词
-ir-
a stumbling block
Actinidia holotricha
aggregin
Allanton
alnespirone
Alpinia bracteata
amylosuria
Anemone pulsatilla L.
antigassing
Arteria vesicalis inferior
auxiliary lamp
be among the missing
behavioral model
board and board
boudhnath
breezer
cap feeding device
capacitance strain gage
cerebellar falx
coldfusion
cultural regions
Czarnowasy
dalmatics
depo-testosterone
disturblance
dufo
earthly branches
edge forming
elusian mystery (greece)
Eofandom
exageration
exhaust pipe combination
facsimile network
farabi
fatty infiltration of liver
fibersystem
free setting of proppant
FRS (fuel recording system)
functional domain
genus Oxyuranus
hartmannellids
hexethal
horrorstricken
hydroxyethylglutamine
immersion dose
immunolocalises
In-su
incommensurate phase
initial cause of succession
internal morain(englacial moraine)
Jagua Bank
Kobane
kupfersulfobismutit (cuprobismutite)
liquid-level connection
low temperature rolling
manganic pyrophosphate
marginal density
marionette
metal shears
micrite enlargement
montigena
national council for vocational qualifications (ncvq)
nemanja
Nervi clunium mediales
noiseth
only-children
pdvsas
pharmacopeia
pituitary-adrenal axis
PLA
pollution equivalent
Poncha Springs
primary barrier
principal disjunctive normal form
quay surface
questant
rami tubae
readerboards
receipts of general accounts
reconnaissance missions
red saunders
reversed handle
safety zone
sand bag
Segag
sister cell
spin-dependent force
stalo (stable local oscillator)
strontium iodate
structure material
subdomain
systematic failure
thiazepine
torun metal
traverse of indictment
tread void
turd
typophor brown
unstable zone
Vitalipid
water-level receiver