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(271) / 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(164) / 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(207) / 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(134) / 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(243) / 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(128) / 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(283) / 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(153) / 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(233) / 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(225) / 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(192) / 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(143) / 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(224) / 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(168) / 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(242) / 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(202) / 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(223) / 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(161) / 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(192) / 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(158) / 评论(0) 分类 英语新闻
学英语单词
(hemispherical)emissivity (of a thermal radiator)
accelerated sludge test
amusement arcade
analytic phonics
Anderob
arch-stern ship
AS.12
base plate pressure
beyond out of all peradventure
black currant flower oil
bride of the sea
bulbospongiosi
Cala Sabina
callendar equation
Collinsonia
comb tooth
compensating coil
complimentary closing
cylindrical cast
deep-sea terrace
delay of goods
depersonalizers
doucer
EADD
European sea eagle
exceded
extraterritorial sales clause
F-2559
facies group
federarie
file hardware flag
floating axis
forelandbasin
glazement
heat-leakage
height of metacentre above keel
Heroult process
hgmp
hypermasculinization
ideological interpretation of history
incontestably
insulating transformer
international protection
isatropic acid
Jaish-i-Mohammed
Jangkang
lawn planting
lead line mark
lead secondary battery
linescore
lithogeochemistry
lowering
maleurite
markevitches
mega base pairs
multiple-tariff meter
o-carbamyl-l-serine
oath act
Ogun State
orthochromophil
otoconial
Palmitas
papilloma diffusum
pegtop teeth
Phyllagathis cymigera
Planck's equation
Pooecetes gramineus
power-disc
probuss
puss in the corner
ramana
readerships
recolorable
renarius
resistance annealing
resonance raman scattering
Rg Veda
ruggerite
S cell
sayger
sergeant york
series-mounting
sexual hanging
sledge microtome
snip end
sonovox
space-saver dial
successful in
tetraethyldiarsine
Tioglisynth
tread upon eggs
Treasure of the Sierra Madre
type posture
variable-spacing interferometer
vavle refacer
verification of the load
viscumneoside
wadeing
wasted dump
working pit
writes in
wyllies