反转喇曼散射

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(129) / 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(134) / 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(333) / 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(120) / 评论(0) 分类 英语学习方法

W: You look so excited. Whats on your mind? M: I am thinking about my Chrisman present. W: What are you going to have? M: A huge toy plane. My mother promised to give it to me if I behave myself before Christmas. Dialogue 2. M: Anna, whats troubling

发表于:2018-12-17 / 阅读(235) / 评论(0) 分类 流利美国口语

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(203) / 评论(0) 分类 Scientific American(二)月

This is Scientific Americans 60-Second Science. Im Sophie Bushwick. Got a Minute? What's the best way to find out if an unknown mixture contains a specific substance, like an environmental contaminant? You could use an expensive, bulky gas chromatogr

发表于:2019-01-08 / 阅读(181) / 评论(0) 分类 Scientific American(八)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(137) / 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(139) / 评论(0) 分类 VOA标准英语2016年(三月)

1. The work that Tim Pons and his colleagues published last week is basic research into the portion of the brain, the cortex, that one scientist says is responsible for all the interesting things we do. 剖析:在这个长句中, 共有两个定语从

发表于:2019-01-17 / 阅读(197) / 评论(0) 分类 雅思英语

Hong Kongs first leveraged exchange traded funds have launched in a bid to tap Asian demand for structured products, even as western regulators are examining the mechanics of leveraged and other riskier forms of ETFs. 香港首批杠杆交易所交易基

发表于:2019-02-01 / 阅读(130) / 评论(0) 分类 英语新闻

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(127) / 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(145) / 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(124) / 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(191) / 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(136) / 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(159) / 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(122) / 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(185) / 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(153) / 评论(0) 分类 英文语法词汇
学英语单词
0830
abtahi
Actimmune
acwf
air enrichment
arepycnometer
assisted call
bascule leaf
behind Bar
birthmothers
Boitshoko
brackish water plankton
break shins
by right of office
c.b.d.
calypsoes
chip budding
chyle cistern
concoct from
corrected course
Debaltsevo
design for guiding construction organization
dial-a-ride
diaminuria
die game
dielectric stress
dimeo
disken
duplex iron
dysphemisms
El Ma el Abiod
energy conversion rate
fig-leave
gallivan
gluon model
Gramma-phone
gravitational field strength
hard wearing alloy
harslets
hydraulic hitch system
in-take
ivanwald
just-as-good
Kalkudah
laser pressure gauge
left tackle
lichenian
locator key
Lochnerivine
lower-intermediate
Luzula effusa
mabuya multicarinata multi-keeled mabuya
mash spot welding
means of one's satisfaction
metallographic, metallographical
metanephrogenic
object diagram
overcautioned
participant observation
perforated tape recorder
Phacidium infestans
phase-shift capacitor
place of survey
plan on
playfighting
pocket magnifier
polyfluoroolefin
polysaccharide phosphorylase
porsopodynia
principle of capital income calculation
profit-taker
pseudomonades
pyramica formosus
quercus prinuss
radio dish
refin
replegiare facias
retort residue
road-works
Rosa's law
Roxel
screw with hexagon head
second hand rail
shit one's pants
soft X-ray absorption spectroscopy
stack of freight
standard ring
steam gauge board
supramaximal
telegraph nautical mile
therethat
thermocolorimeter
thrombocytosis
tread with
unbrick
uncoercively
us ko
volume emission rate
Waltz position
water descaling unit
westwego