单分子共轭硷消去反应

Male: I think we better 1) review. Female: Yup good idea. Male: OK, the most important rule, the one that all the others serve to protect and 2) execute is that verbs and their subject must agree. Sin

发表于:2018-11-28 / 阅读(250) / 评论(0) 分类 疯狂英语2002年

发表于:2018-12-04 / 阅读(177) / 评论(0) 分类 自考英语(二)60讲

Will Chinese Replace English as the Global Language? 汉语会取代英语成为世界语言吗? Facebook founder Mark Zuckerberg recently surprised Chinese students when he spoke to them in Chinese. In a talk at Tsinghua University in Beijing, Zucke

发表于:2018-12-08 / 阅读(156) / 评论(0) 分类 2014年VOA慢速英语(十二)月

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Those of you following the World Cup know that at this stage there can be no more draws. Ties are broken during overtime play, or in a penalty kick shootou

发表于:2018-12-24 / 阅读(130) / 评论(0) 分类 Scientific American(六)月

base, [beis] adj 卑鄙的=vile;私生的 【例】To betray a friend is a base action 出卖朋友是卑鄙的行为。 【根】base本身作为词根:低的,低下的 【类】debase:value=attenuate:force 贬低价值=削弱力量 【反

发表于:2018-12-30 / 阅读(221) / 评论(0) 分类 不择手段背单词

Ok, here is the clinic for you guys out there on the Dos and Donts of finding emotional joy and carnal fulfillment in its most primitive form, if you get my drift. This male wildebeest dashes up to this herd of females, oblivious to the fact that ot

发表于:2018-12-30 / 阅读(275) / 评论(0) 分类 国家地理2008年

赫芬顿邮报:科学家预言,未来不久,人们将能够通过吞药丸来获取知识,一颗药丸下肚,可能就学会了一门外语.有这么简单的方法,那中国的同学们再不用担心英语学习了. 吃药丸学习英语? Huffingt

发表于:2019-01-01 / 阅读(128) / 评论(0) 分类 双语趣听精彩世界

Grammar Girl here. Today's topic is ain't and a few other troublesome contractions. To quote the famous opening lines of the first-ever talking picture, The Jazz Singer: Wait a minute, wait a minute! You ain't heard nothin' yet! You may have been chi

发表于:2019-01-02 / 阅读(218) / 评论(0) 分类 英语语法 Grammar Girl

图片1 Today's topic is lay versus lie. Lay Versus Lie First, we'll do the easy part, which is the present tense... If you exclude the meaning to tell an untruth and just focus on the setting/reclining meaning of lay and lie, then the important dist

发表于:2019-01-02 / 阅读(170) / 评论(0) 分类 英语语法 Grammar Girl

Study: We Learn Language in Pre-Human Area of Brain From VOA Learning English, this is the Health Lifestyle report. A new study from brain researchers helps explain how the human brain evolved, or changed over time, to permit people to speak and writ

发表于:2019-01-03 / 阅读(141) / 评论(0) 分类 2018年VOA慢速英语(八)月

大家都知道,各行各业的人在跟同行业的人讲话时都有一些专门的行业术语。不管是医生,律师还是警察都有他们圈子内用的特殊词汇。这里讲的并不是指

发表于:2019-01-07 / 阅读(218) / 评论(0) 分类 美国习惯用语

Today, Bonnie Trenga will help us figure out whether a fast-food chain is on the cutting edge of grammar, or its just being creative with verb tenses. Its time to dissect the McDonalds advertising slogan Im loving it. An ESL teacher named Devaki wrot

发表于:2019-01-10 / 阅读(162) / 评论(0) 分类 英语语法 Grammar Girl

WHO Approves Infant Meningitis Vaccine 世界卫生组织已批准婴儿脑膜炎疫苗 The World Health Organization has approved the use of a meningitis vaccine for infants in sub-Saharan Africa. The vaccine has been given to older children and you

发表于:2019-01-14 / 阅读(134) / 评论(0) 分类 VOA标准英语2015年(一月)

World Bank President: Elimination of Poverty Possible World Bank President Jim Yong Kim says the problems of poverty, hunger and inequality are massive, urgent and a matter of survival for millions. We know that despite the dramatic successes of the

发表于:2019-01-14 / 阅读(128) / 评论(0) 分类 VOA标准英语2013年(四月)

Green Card Lottery Faces Elimination Under US Immigration Reform Two years ago Rafiq-ul-Islam won a U.S. permanent resident visa through the Green Card Lottery and came to the United States from Bangladesh -- with little more than the clothing he own

发表于:2019-01-14 / 阅读(160) / 评论(0) 分类 VOA标准英语2013年(五月)

Facebook founder Mark Zuckerberg recently surprised Chinese students when he spoke to them in Chinese. In a talk at Tsinghua University in Beijing, Zuckerberg spoke Chinese for about 30 minutes. Although his Mandarin was far from perfect, students an

发表于:2019-01-17 / 阅读(117) / 评论(0) 分类 英语语言学习

Ok, here is the clinic for you guys out there on the Dos and Donts of finding emotional joy and carnal fulfillment in its most primitive form, if you get my drift. This male wildebeest dashes up to this herd of females, oblivious to the fact that oth

发表于:2019-01-22 / 阅读(151) / 评论(0) 分类 自然百科2008年

By Naomi Schwarz Dakar 10 March 2008 With more than three months remaining in the peak meningitis season, outbreaks in Burkina Faso and Central African Republic have already taken hundreds of lives. But the World Health Organization says a new, low-c

发表于:2019-02-03 / 阅读(119) / 评论(0) 分类 VOA标准英语2008年(三月)

By Lisa Schlein Geneva 02 May 2006 Environmentalists are calling for the elimination of the toxic chemical, DDT, which is still used in large parts of Africa to combat malaria. The continued use of DD

发表于:2019-02-12 / 阅读(256) / 评论(0) 分类 2006年VOA标准英语(五月)

U.S. military vacated an air base in Pakistan's southwest Sunday, meeting a December 11 deadline set by Islamabad in response to NATO's November 26 air strike that killed 24 Pakistani soldiers. The Pakistani military said it took over the Shamsi base

发表于:2019-03-02 / 阅读(1742) / 评论(0) 分类 英语新闻
学英语单词
a very Thomas
a w
Abruka
accessioning
accurate filter
achnanthes exigua
after-vulcanization
altered volcanic rock
amplistat
analytic operator-valued function
avibirnavirus infectious bursal disease virus of fowl
be in someone's black books
benzylating
bleching
brunnhilde
Burlats
carbonized
cartwheel
clary(sage)oil
component cooling heat exchanger
constableries
content of a polynomial
contone printer
Correnti, I.delle
critical rudder angle
customer average interruption duration index
cutting network
deny doing
desaturation
disc fuse
drinkfests
Dzialyn
fairy martin
FAM-S
fire pit
five-year audit plan
flap extraction
focus coil axis
gastropyloric
geometric isomers
goblet pruning
gun-type weapon gunk
hatahs
hypoeutectoid
Information Expressway
infra-ray width gauge
into high gear
landing
leucine - rich repeat
lie waste
linear analogue control
magnesium germanate
metatarsophalangeal articulation
microporus xanthopus
military case
mobile vehicle
monomials
mushroom-coloured
mycotic colitis
nadasdy
nodal diameter
nondiscretionary expenditures
nonlinear attenuation
nortricycloekasantalal
operating sheet
optical coating
oxygen sampling bottle
part of me
pointer-type indicator
postacrostichal
pre-rhotic
progressive multifocal leukoencephalopathy
protective action guide
pseudoglucosidase
quan
radiobiology
railroad writing
rectal dilator
reverse control handle
rustyback
salicyloacetylsalicylic acid
sample size in decision broblem
Serratula
shank with driving slot
short-tracks
spark limit
St-Laurent-de-Chamousset
stabling siding
storm-time variation
structural skin
sub-network independent convergence protocol
swooshed
symptomotology
take-away conveyer
tetraflate
unloaded q
unmarried women
uredo phaji
waveform synthesis
without a stop
work space pointer
wrong numbers