准外消旋化合物

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(125) / 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(172) / 评论(0) 分类 英语语法 Grammar Girl

[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(210) / 评论(0) 分类 北师大版高中英语模块8(选修)

1. The White House says sanctions may be coming against Syria with the US condemning violent crackdown on anti-government protesters there. More than 300 people have been killed. 2. Mississippi Governor Haley Barbour says he is not running for presid

发表于:2018-12-15 / 阅读(182) / 评论(0) 分类 美联社新闻一分钟2011(四月)

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(252) / 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(128) / 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(207) / 评论(0) 分类 四六级词汇与结构练习

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The 2011 Nobel Prize in chemistry goes to Daniel Schechtman of the TechnionIsrael Institute of Technology in Haifa. Schechtman discovered what are called quasicrystals.

发表于:2019-01-08 / 阅读(235) / 评论(0) 分类 Scientific American(十)月

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(206) / 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(173) / 评论(0) 分类 农业与发展

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(209) / 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(126) / 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(220) / 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(162) / 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(198) / 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(159) / 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(141) / 评论(0) 分类 英语新闻

Rebel fighters have seized Moammar Gadhafi's compound in the capital, Tripoli, and are celebrating what they consider a major victory over the Libyan leader and his loyalist troops. The rebel fighters fought their way into Gadhafi's Bab al-Aziziya co

发表于:2019-02-18 / 阅读(125) / 评论(0) 分类 英语新闻
学英语单词
a bit of fluff
Adiramycin
affective schizophrenia
agraffes
ass-backward
average kilometre of tyre scrap
batch log
beitrage
Bichat's foramina
cindery
circular saw anvil
clean-up time
clip artists
cluster-type dkiamond dressing tool
congestee
connectionmode network service
Corbynite
cytorrhyctes aphtharum
dacorums
dinner wine
diskette directory
dummetts
duodecillionth
Elymus ciliaris
endosporic
extramolecular
extravagantness
fan governor
Fermi Dirac gas
floor-boards
flush rivet
for-instance
furne
general price
general room
genus Metroxylon
goal of native mode
gravlax
Greenwich date
group-shelterwood cutting
gumlac
HFBSOV
Huarmey
ion fractionation
JTAO
Kouamékro
Kuhn-Tucker constraint qualification
kysth-
learning experience
lever de rideau
Lindera villipes
liquid or gas level relay
liquid-dye laser
lowest design navigable water level
Man-aung Kyun
March of Time
maximum total sag
menem
milada
Myxocyprini
nitroniums
packed-pixel
Pankovka
Parincea
pentazane
pentenedicarboxylic acid
perfect restitution
plauditor
pottiers
Protagoras
pseudomonas phaseoli var.fuscans(burkholder)starr.et burkhol-der
queen silk
Rate of Vessel without Cargo Shortage
reaming out
rectilinear generatrix
reduced Compton wavelength
refrigerating system with accumulation of cold
reinsurer
rejuvenated river
Rekkem
rock stress
Roddicks
roget spiral
sawn-off wild-deer antler
shore-protection works
singleblade
splitting(simpson 1944)
standardization/evaluation
submerge-arc welding
super-real
Taxus fuana
transient flow
trichophytic alopecia
underflow indication
veritas odium parit
water-borne material
windstopper
wring-bolt
yan xishan
yongs
younger dryas (yd) event
Zenkovka