反转喇曼光谱学

Back at the explosives lab, examiners use a high-tech instrument called a Raman spectrometer, a device that determines if a package contains explosive material. With the Raman, what we are doing is th

发表于:2018-12-07 / 阅读(155) / 评论(0) 分类 揭秘联邦调查局

India and Pakistan Commit to Building Gas Pipeline 印度与巴基斯坦合建天然气管道 India and Pakistan say work on a gas pipeline linking Iran to India via Pakistan could begin next year. Of

发表于:2018-12-08 / 阅读(167) / 评论(0) 分类 VOA2005(下)--全球经济要闻

分集介绍:本集主要是对与会人士致以问候和欢迎,并表示感谢。首先感谢会议组织者,特别提到事先告知成本值得其他同事借鉴,其次感谢各位学者的文稿,再特别感谢公司人士的出席。另

发表于:2018-12-09 / 阅读(362) / 评论(0) 分类 第二届金融与统计学大会

作文和听力,阅读一样,可以早做准备。现在流行的复习方法是从下半年复习,甚至是考试前3个月才开始复习。复习的教材无一例外的是考试虫系列的万能作文:背一二十篇作文模式,背一二

发表于:2018-12-12 / 阅读(161) / 评论(0) 分类 英语学习方法

This is Scientific American's 60-Second Science. I'm Christie Nicholson . Got a minute? The lure of gambling clearly comes from the chance of winning. But how exciting is it to almost win? A study in the February 12th issue of the journal Neuron look

发表于:2019-01-08 / 阅读(235) / 评论(0) 分类 Scientific American(二)月

在中国,普通话作为官方语言的地位日益巩固。然而在英国,为什么大多数的英国人不遵循标准的发音[standard pronunciation or RP(received pronunciation)],却喜欢操着一口地方口音呢?难道英国人不认

发表于:2019-01-11 / 阅读(167) / 评论(0) 分类 实用英语

Gold, Oil Prices Up as Investors Seek Safe Haven 投资者寻求避险:黄金、石油价格上涨 NEW YORK The up-and-down prices of oil and gold mirror the unsettled world situation, and both reflect the economic squeeze most nations currently face

发表于:2019-01-14 / 阅读(177) / 评论(0) 分类 VOA标准英语2016年(三月)

听力薄弱的考生是很难在托福考试中得到高分的。首先考生对自己的词汇量应该有个基本的了解。考生可以翻看一下TPO练习的问题部分,如果连审题都有困难,那么建议先别急着考试,好好从

发表于:2019-01-17 / 阅读(190) / 评论(0) 分类 托福英语

在托福考试中,听力是一个很重要的环节,而在听力备考的过程中,词汇又是非常重要的。 在托福听力的备考过程中,我们细细翻一下TPO资料,如果发现连审题都有着困难,那么,这时候就建

发表于:2019-01-17 / 阅读(212) / 评论(0) 分类 托福英语

By Anjana Pasricha New Delhi 06 June 2008 India is coping with huge energy shortfalls as a growing economy raises demand for power. But as Anjana Pasricha reports from New Delhi, the government has pledged to cover the gap in five years. Electrician

发表于:2019-02-03 / 阅读(153) / 评论(0) 分类 VOA标准英语2008年(六月)

Heres one way to make sure you have perfect attendance in your class: 让你把全部注意力放在课堂上只有一种方法: Meet Pietro Boselli: Obviously, hes ridiculously good-looking. 来见见我们的彼得罗博塞利:看吧看吧,他真

发表于:2019-02-06 / 阅读(176) / 评论(0) 分类 阅读空间

India has signed its first contract to build nuclear power plants after the international community lifted an embargo on civilian nuclear trade with the country. The deal marks the end of India's nuclear isolation. Chairman and CEO of Areva, Anne La

发表于:2019-02-07 / 阅读(163) / 评论(0) 分类 VOA标准英语2009年(二月)

You know how it goes: youre trying to talk to your grandchildren, but theyre constantly checking their beeping phones. Im listening . . . they insist. Except you know only too well theyre not. At home, over dinner, you want to catch up with your husb

发表于:2019-02-07 / 阅读(220) / 评论(0) 分类 阅读空间

India is coping with huge energy shortfalls as a growing economy raises demand for power. The government has pledged to cover the gap in five years. 由于国内不断增长的能源需求,印度正在面对一场严重的能源短缺。印度政府希

发表于:2019-02-14 / 阅读(163) / 评论(0) 分类 VOA双语新闻 2008年6月

和同事聊天时,她突然问我:当时,他是怎么向你求婚的,浪漫吗?我一愣,随即笑了:我老公是很木讷的人呢,你说会浪漫吗?虽然这样说,我心里却泛起甜丝丝的感觉来。他确实从来不浪漫,他的求婚没有

发表于:2019-02-18 / 阅读(186) / 评论(0) 分类 英语美文

Over the last 13 years, investors have experienced some of the largest financial bubbles in history. Asian currencies rose and fell, technology and Internet shares suffered staggering losses, oil and other commodities rode a wild roller coaster, and

发表于:2019-02-18 / 阅读(146) / 评论(0) 分类 阅读空间

一. 上升增长1.add up to 增加了eg. The total amount of added up to 14 billion pounds(14%) in 1994. 2. to jump to / to soar to 一跃达到/ 猛增到 eg. The total working days lost soared to 10 million in 1979. 3.an increase of ab

发表于:2019-02-18 / 阅读(215) / 评论(0) 分类 四六级写作指导

Law of Supply Demand: This is the founding block of economics. Whenever supply of something increases its price decreases and whenever supply decreases price increases. Thus, when you have excess production of corn, food prices decrease and vice vers

发表于:2019-02-25 / 阅读(196) / 评论(0) 分类 英文语法词汇

话题类单词,术语 托福考试的lecture话题非常广泛,虽然官方指南给出了艺术、生命科学、自然科学和社会科学四大类话题,但事实上这四个话题已经能囊括任何专业知识点了,知识面再广的学

发表于:2019-02-26 / 阅读(207) / 评论(0) 分类 托福英语

很多考生托福听力薄弱,主要原因在于托福词汇量不够。 听力薄弱的考生是很难在托福考试中得到高分的。可能很多考生对托福考试的整体印象是考试内容比较专业,有大量的专有名词,一拿

发表于:2019-03-04 / 阅读(242) / 评论(0) 分类 托福英语
学英语单词
144
accountant file
ajks
aldhs
asphalt grouting
balchen
balloon clocks
basalt-perlite
beeding
begarnish
boarding call
Braveheart
bring to bear
Burejo, R.
canons of judicial ethics
car load shipment
carrot
cavitation theory
citybilly
classical gymnasium
comparative toxicology
concurrent job
conference method
contractual management responsibility system
contre-approach
control air support
counter-book
CRPD
cyanidine-rutinoside
developmental approach
dickins
due from correspondent's account
Eisenchrom
electric horn
electro-static
energy bush
exhaust gas sampling
fastening nail
first-named
flexible shaft
frontons
Gaussian profile
gear wheel shaving toothed tool
gibraltars
Girard reagent
grounded-grid-triode circuit
happier
heave out of
hetero-fascism
hopkinson demand rate
horse-block
hydrazine tartrate
infrared rays
integrated barge train
isek
isoamyl-magnesium-bromide
jakosky
jump subroutine
keenings
knock over a doll
lycopodiates
magnafloc
malvoisies
matrix check
mixed government
Mushāsh an Niswān, Khashm
non-interferences
noncurrent assets
nonschistose
obvaricate
okwanyo
oxtail soup
panoptic, panoptical
parallel listening
perder
phytopaleontology
plantaginis semen
plaster model
port-to-port contract
potassium chromium alum
punchcard
read-outs
Saluafata
sandwitch structure
sanguification
sawbellies
scrimier
seal fluid outlet
self-force
siderophyre
SL
solid impurity
spicier
submersible dredge pump
sueven
system failure recovery
trustworthy product
tulip fire
tyrylen
vermuthy steppe
Yonchon