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(231) / 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(124) / 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(171) / 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(114) / 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(207) / 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(105) / 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(249) / 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(125) / 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(206) / 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(204) / 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(171) / 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(119) / 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(207) / 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(125) / 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(219) / 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(159) / 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(196) / 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(142) / 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(156) / 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(140) / 评论(0) 分类 英语新闻
学英语单词
1-thiocarbamoyl-2-imidazolidinone
adaptive expectations
advise sb on
agrobiology
amphimictically
astyte
automatically generating program
blades
boat note
buckthorn berries
calcium infiltration
calculus of nature inference
cephalomanes javanicum v.d.b.
chargrill
chromesthesia
coal-tit
colo(u)r spraying
common version
communist youth league
creeping indigo
critical piece first
dead-man's fingers
deviative absorption
dominant stem
drawing force
efficient agriculture
electrovert
epallobiosis
error decoder
etaise
factitious statism characteristic method
foul bill (of health)
from dusk to dawn
gastro-frontal carina
genus trichostemas
grinding condition
growth curves model
guangya
gyrophora proboscidea (l.) ach.
hemibungarus sauteri hatori
hovermill
initial alignment
inter-net
kissar
Kuenen absorption coefficient
LCC
leontiasis ossea
lobulas
locoism
machine plane
marginal dystrophy of cornea
marginal field
mine test
moral basin
mule fat
multi-purpose cadastre
Nephroplasty
non-planing analysis
o'steen
oxy-austenite
photosensitizer additive
picrin
plushed
prick up
promycelial spores
Quaker meeting
quietly confident
rake over the ashes
reduplication cataract
regenerative receiver
residential community
reverse gas flow
ride on you
Roman emperors
ruddled
San Bernardino Str.
sans serif
sauslyme
scds
second-order optical nonlinearity
secondary line
semiptosis
shasliks
start characteristic test
stellar envelope
subniveal zone
targeted therapy
top-bracket
transfer-out with compensation
transient saliency
trial by fire
trigonoid
tuberoinfundibular tract
umbrages
unrehabilitatable
upwelling ecology
Vijay Pillai
viking log
vision-tester
wait a second
weigela grandiflora fortune
whatkind