[有机化学] 异亚硝基化合物

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(144) / 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(175) / 评论(0) 分类 北师大版高中英语模块8(选修)

The UN refugee agency says it is worried about the security of people living in isolated villages near the former conflict zones of Georgia. It says some 2,300 people from villages in the buffer zone between the Georgian town of Gori and the breakaw

发表于:2018-12-16 / 阅读(140) / 评论(0) 分类 VOA标准英语2008年(八月)

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(222) / 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(94) / 评论(0) 分类 美式英语正音训练

分集介绍:导数,商数,正弦和余弦 Derivatives.of.products.quotients.sine.cosine

发表于:2019-01-05 / 阅读(356) / 评论(0) 分类 麻省理工学院公开课:单变量微积分

分集介绍:导数,斜率,速度与变化率 Derivatives.slope.velocity.rate.of.change

发表于:2019-01-05 / 阅读(358) / 评论(0) 分类 麻省理工学院公开课:单变量微积分

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(175) / 评论(0) 分类 美联社新闻一分钟2007

[全屏观看] 点击右键- 另存为 可保存这个Flash影片 Silly Sausage是Nitrome于2011年5月28日发行的一款益智类游戏,它是以香肠在尽量不碰到其它损失生命物体的情况下吃光所有的钻石再到达终点为标

发表于:2019-01-08 / 阅读(204) / 评论(0) 分类 英语对接游戏

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(143) / 评论(0) 分类 农业与发展

By Carol Pearson Washington, DC 29 May 2006 watch Autism Gene report Researchers at the University of Texas Southwestern have been able to genetically change mice so their behavior is similar to some people with autism. The researchers hope their di

发表于:2019-01-13 / 阅读(182) / 评论(0) 分类 2006年VOA标准英语(五月)

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(176) / 评论(0) 分类 VOA标准英语2009年(八月)

RACHEL MARTIN, HOST: There was a gathering here in Washington, D.C. last week that had nothing to do with the inauguration or with politics. It was an occasion for matchmaking, although not a romantic kind. Here, farmers got set up with chefs in an e

发表于:2019-01-16 / 阅读(155) / 评论(0) 分类 2017年NPR美国国家公共电台1月

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(188) / 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(120) / 评论(0) 分类 小龟乐游记英语短文

By Melinda Smith Baltimore, Maryland 05 September 2006 watch report Celiac Disease For thousands of years, human beings have suffered from a genetic disorder that has received attention only in the last few decades. The disorder is called celiac dis

发表于:2019-01-26 / 阅读(234) / 评论(0) 分类 2006年VOA标准英语(九月)

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(165) / 评论(0) 分类 货币英语

HEALTH REPORT - New Heart Drug Shows Promise in African Americans By Cynthia Kirk Broadcast: Wednesday, November 17, 2004 This is Bob Doughty with the VOA Special English Health Report. Heart failure

发表于:2019-01-30 / 阅读(140) / 评论(0) 分类 健康与经济

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(115) / 评论(0) 分类 英语新闻

Today we go on a journey. It starts in Sweden over 100 years ago; and then moves to London; and finally moves to future worlds and other planets. But we start in Sweden. Alfred Nobel spent his life finding ways to blow things up. He was born in 1833

发表于:2019-02-19 / 阅读(121) / 评论(0) 分类 听播客学英语
学英语单词
-trixes
507
acuden
Adonian
adrenomimetic
AHCADM
alopecia localis
angle discriminant(in tracking loops)
antipriming
apograph
arrayed waveguide grating filter
ballows
baseball-seam coil
bass-boosting circuit
bat in the cave
be unworthy of
behavior resistance
boates
Brancaleoen
bummed out
burner cup
Caballerials
caincas
Calipha
cephalophus sylvicultor
cerari
character definition
charity label
colored ink
confuser
corpora pampiniforme
diamond setter
differential thermal solarimeter
distribution variance
double-socket pipe
drill grounds
drill steels
duality between tests and confidence regions
dust collecting unit
dwarf standing on the shoulders of giants
dynamic moment of inertia
effective collision number
electronic reconnaissance facilities
expansion switch feathered joint
female and young animal
ferro-ferricyanide
foam concrete, foamed concrete
gable
genus archosarguss
giclas
Gilbert and Ellice Islands
give someone his head
glad-eyed
globulixmeter
glycin(e)
grammitis okuboi
helping wind
hemiphasmidic
hep cat
hesder
hyperhypocytosis
inner water
ion-beam mixing
irradiation pasteurization
Kimuli
law-making treaty
Le Donjon
low-temperature grinding
make a long harvest of a little corn
malice action
marine pollution control
mass stopping power
multimodal attention
multistream
payao
periplorhamnoside
phonon conduction
plague-riddens
playerish
plug-to-plug compatibility
pondereth
postquestions
pravastatin
pulsactor
relationship management
roethlisbergers
Russulina
salt thermostat
salt-spreader
saturation activity
seal gas flow
serpentinise
Shawford
straight line lever
taken heart
telosporidias
tenebrescent
to nosedive
travelling boxtype solar cooker
trust-buildings
unbrick
Uriondo