外消旋化合物

Section A [00:01.23]1. W: Have you checked it for me? [00:04.26]M: Yes.There are temporary vacancies at the moment,but you may look back in a month. [00:09.40]Q: What does the woman want to be? [00:12.38]2. M: I'd like to book a flight to Munich for

发表于:2018-11-29 / 阅读(474) / 评论(0) 分类 决胜四级听力必备

Today's show goes out to Law Enforcement Officer Memorial High in Florida and North Kansas City High in Missouri. It's great seeing some of your students at the CNN Center recently! Today on CNN Student News, a match made in the wireless world: We're

发表于:2018-12-02 / 阅读(388) / 评论(0) 分类 CNN2011年(三)月

Grammar Girl here. Todays topic is the complex-compound sentence. Guest writer Sal Glynn writes: Most writers worth their fingertip calluses begin as avid readers. We read books, magazines, and websites indiscriminately until we start to notice the w

发表于:2018-12-07 / 阅读(456) / 评论(0) 分类 英语语法 Grammar Girl

Violence Cripples Pakistan's Economic Hub Political killings, honor killings, kidnappings and gang warfare are not uncommon in this city. Violence taking a toll According to the Human Rights Commission of Pakistan, more than 1,450 people including ch

发表于:2018-12-08 / 阅读(317) / 评论(0) 分类 VOA标准英语2012年(八月)

[00:01.45]Exercise 6 Listen to the lecture again [00:05.04]and complete the fatfiles. [00:08.94]Pronunciation [00:09.55]Exercise 8 Listen to the lectrue again [00:13.06]and take note of the pronunciation [00:15.08]of the compound words. [00:17.82]Exe

发表于:2018-12-13 / 阅读(455) / 评论(0) 分类 北师大版高中英语模块8(选修)

Economic Confidence Declines in US, Europe Separate reports on U.S. consumer confidence and European economic sentiment added to the volatility in global markets Tuesday. In the U.S., consumer confidence fell to its lowest level in 16 months, while t

发表于:2018-12-16 / 阅读(365) / 评论(0) 分类 VOA标准英语2011年(九月)

addition [ə'diʃən] n.加,增加(量) boss [bɔs] n.老板,工头 compound ['kəmpaund] n.复合物,化合物 difficult ['difikəlt] a.困难的 expert ['ekspə:t] n.专家,能手 headquarters ['hed'kwə:təz] n.司令部,指挥部,总部

发表于:2018-12-19 / 阅读(485) / 评论(0) 分类 TED演讲教育篇

Intonation can indicate completely different meanings for otherwise similar words or phrases. For example, an English teacher teaches English, but an English teacher is from England; French class is where you study French, but French class is Gallic

发表于:2018-12-27 / 阅读(360) / 评论(0) 分类 美式英语正音训练

坚持不懈,直到成功。 我们每天的奋斗就像对参天大树的一次砍击,头几刀可能了无痕迹。每一击看似微不足道,然而,累积起来,巨树终会倒下。这恰

发表于:2019-01-03 / 阅读(564) / 评论(0) 分类 四六级词汇与结构练习

1. Authorities in Utah say they found no signs of six trapped miners when they lowered a camera down to where they think the men are located. This is their second effort to make contact with the men. Yesterday a microphone was lowered down to a separ

发表于:2019-01-08 / 阅读(430) / 评论(0) 分类 美联社新闻一分钟2007

AGRICULTURE REPORT - Scientists Find Compound in Smoke that Helps Seeds Grow By Mario Ritter Broadcast: Tuesday, July 20, 2004 This is Steve Ember with the VOA Special English Agriculture Report. A di

发表于:2019-01-11 / 阅读(450) / 评论(0) 分类 农业与发展

The global economic downturn is hitting France's overseas territories particularly hard. A wave of protests and strikes has shuttered supermarkets, gas stations and schools in the Caribbean islands of Guadeloupe and Martinique. The government has vo

发表于:2019-01-13 / 阅读(285) / 评论(0) 分类 VOA标准英语2009年(二月)

The United Nation's World Food Program says rogue members of Somalia's extremist al-Shabab group attempted to raid its compound late Sunday in the Somali town of Wajid, about 300 kilometers northwest of Mogadishu. World Food Program spokesman, Peter

发表于:2019-01-14 / 阅读(466) / 评论(0) 分类 VOA标准英语2009年(八月)

Exercise 11-8: Your Own Compound Nouns CD 4 Track 45 Pause the CD and build up your own compound nouns, both subject and object. 图片1

发表于:2019-01-15 / 阅读(333) / 评论(0) 分类 标准美语发音的13个秘诀 CD4

What do these five words have in common: hotdog, fireworks, well-being, waistline, sunset and ice cream? They could all describe a fun holiday celebration. For example: My holiday was wonderful! I went to a friends party and we laughed, ate and had a

发表于:2019-01-21 / 阅读(463) / 评论(0) 分类 2018年VOA慢速英语(十二)月

文本: Maiev:Elune be praised! I knew you would come, Shando Stormrage! Malfurion:Im glad we reached you in time, Maiev. Maiev:Priestess Tyrande, Im surprised you came in person. Are you here to _(1)_ your guilty conscience? Tyrande:I did

发表于:2019-01-23 / 阅读(418) / 评论(0) 分类 小龟乐游记英语短文

By Elizabeth Carlassare. Todays topic is compound interest. Albert Einstein is often quoted as having said something to the effect that compound interest is the greatest wonder of the universe. Its an urban legend, but it packs some punch! In todays

发表于:2019-01-30 / 阅读(426) / 评论(0) 分类 货币英语

U.S. President Barack Obama has announced that the world's most wanted terrorist(恐怖分子 ), al-Qaida leader Osama bin Laden, was killed by U.S. forces on Sunday at a compound deep inside Pakistan. Mr. Obama made the announcement during a liv

发表于:2019-02-04 / 阅读(390) / 评论(0) 分类 英语新闻

Dear Lexie,亲爱的莱克西: On your first day of college, let me congratulate you on your well-earned freedom. No more curfews[宵禁]. No more being dragged places you'd rather not be. No more of Dad's teachable[可教的] moments about respons

发表于:2019-02-09 / 阅读(448) / 评论(0) 分类 实用英语

ISLAMABAD, Feb. 25 (Xinhua) -- The living compound of the former al-Qaida chief Osama bin Laden in Pakistan's northwest city of Abbottabad is being demolished, said one local media report. Local Urdu TV channel Express said that the front part of bin

发表于:2019-02-18 / 阅读(359) / 评论(0) 分类 英语新闻
学英语单词
abhenrys
abrasion platforms
achoresis
adjudicatory authority
aligned and expended field
arc resistance meter
at that precise moment
atom spectrum
autoregressive processes
Bagenkop
baud conversion
belly-laughter
bicrons
boulder depression
breast fleshing
cardiophysiology
casting glass
chaotic configuration
coincident signal elements
comitant
concrete compressive strength
credit standard
critical characteristic
decade frequency divider
deck stanchion
Derecske
DHP (delivered horse power)
dirt optics
draw blood
dust pneumonia
dynamo ignition
eichengreen
El Melhas
electrostatic double layer
ellwoods
energy regeneration
experimental inorganic chemistry
far ultraviolet
filtration plant
financial regulator
flood characteristic curve
fluorotrichloroethylene
gangrenous necrosis
gematrical
haematidroses
High density server
hutslar
illumes
incision and drainage of appendiceal abscess
kuteera gum
laundry and hot shower drains filtration pump
lysons
methethyl
methyltransferases
microcampylopus laevigatum
MMY
molecular sphere of action
multiflow cooling system
Nicrobraz
non-system disk
nursekeeper
oat-cake
Organa genitalia feminina interna
overcontribution
oxazidione
path accuracy
pickle-tickle
piemontites
pollings
pressure hose
presymmetry
puccinia arachidis
saturated steam generator
scheduled castes
screwed something up
simple variable
slammed
Somaj
spurious ankylosis
straight time
subhead of expenditure
swipecard
task appendage routine
Tepexpan man
thermositting
Thielavia basicola
thrief
tiletamine
tin file
trench upon
Trochus shell
turn-key system
ultrasonic seam welding machine
under-constable
updarting
Valtou, Ori
vena caval
Vienna sausages
viscosity test apparatus
well vent jet
West North Central