[有机化学] 叔硝基化合物

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(134) / 评论(0) 分类 英语语法 Grammar Girl

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(214) / 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(80) / 评论(0) 分类 美式英语正音训练

The Tertiary Education Commission (the TEC) announced the funding for polytechs and universities for the next 3 years. The TEC is the government organisation responsible for tertiary institutions like polytechs and universities so this is government

发表于:2018-12-31 / 阅读(107) / 评论(0) 分类 新西兰英语

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(343) / 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(342) / 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(161) / 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(190) / 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(127) / 评论(0) 分类 农业与发展

South Africa University Students Ponder Future At the end of last year, about 350,000 Grade 12 students in South Africa passed their final exams. While some celebrated, others pondered their next move. In reality, a very small group of those who had

发表于:2019-01-14 / 阅读(89) / 评论(0) 分类 VOA标准英语2012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(160) / 评论(0) 分类 VOA标准英语2009年(八月)

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(174) / 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(105) / 评论(0) 分类 小龟乐游记英语短文

Because the British were the most active in the early years, British names are predominant in the geological lexicon. Devonian is of course from the English county of Devon. Cambrian comes from the Roman name for Wales, while Ordovician and Silurian

发表于:2019-01-29 / 阅读(96) / 评论(0) 分类 万物简史

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(154) / 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(126) / 评论(0) 分类 健康与经济

等外品 off-grade goods, rejects 邓小平外交思想 Deng Xiaoping's diplomatic thoughts 低调 low keyed (a metaphor for taking a cautious and slow approach) 第三产业 third/tertiary industry,

发表于:2019-02-08 / 阅读(87) / 评论(0) 分类 考研英语

They keep a Whale's Rib of an incredible length for a Miracle, 庙里把一根长得叫人不能置信的肋骨保存在那里, which lying upon the Ground with its convex part uppermost, makes an Arch, the Head of which cannot be reached by a Man

发表于:2019-02-17 / 阅读(91) / 评论(0) 分类 白鲸记

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(106) / 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(105) / 评论(0) 分类 听播客学英语
学英语单词
a clue
area postrema
artemisia dracunculuss
Balfour's granule
Balkan splint
basiotriptor
belt-shaped
biphenyl mercury
blennadenitis
blockbuster
blue mould of citrus
Bowditch's rule
cardiac probe
chicken runs
cholinesterase inhibitor
CIC-0
customer set-up product
demographic behavior
doctrina
dog eye
double linked list
earliest activity start time
egg culture of viruses
electric rod
end delimiter field
failure terms
femto-coulomb
finger type control rod
glucoresin
gompa
ground ball
Heteropappus altaicus
histamine metabolism drug
humbuckings
in the face of adversity
indexed sequential processor program
insignis pines
interpellator
isograd
journ-chopper
Julian year
kaltia
kerrion
lalochezia
life line of national economy
light polarization demodulator
losing hazard
maizls
memory match
miconcave
misplaced atoms
mockler
motorcars
naturphilosophies
neochanin
Neurectasis
no joke
nuclear debris
null shift method
oblique shear
one-half period
open something up
parallelizing
penunci
pericarpium zanthoxyli bungeani
perirhinal
pure ensemble
quarantine object
reroutes
resurrection dance (australian aboriginal)
return buffer
roll-excitation moment
rudiment
Rye-Rye
separate oil supply
settlement prevention
side lap weld
soap flakess
steeping tank
steriflame process
sterization
stone burnisher
store beast
stuck-open fault
sublumbar muscle
sussies
Sythecillin
take liberties with
the 14 Bravais lattices
Timber-formfactor
titulation
tone burst method
total reduction gear ratio
train'
transite
tumorosphere
type 1
uniaxial eccentricity
unmoist
vessails
volume median diameter
Waitaki River