共轭群元素

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(230) / 评论(0) 分类 疯狂英语2002年

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(146) / 评论(0) 分类 2014年VOA慢速英语(十二)月

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(263) / 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(120) / 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(207) / 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(156) / 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(132) / 评论(0) 分类 2018年VOA慢速英语(八)月

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(154) / 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(124) / 评论(0) 分类 VOA标准英语2015年(一月)

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(106) / 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(141) / 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(114) / 评论(0) 分类 VOA标准英语2008年(三月)

[Storyteller] The journey began The fearless heroes left Heading for a place Far oh far away They had to warn Alron The prince of the North Of the terrible danger That threatened all the lands He holds the secrets Of the black magic His weapon is The

发表于:2019-02-11 / 阅读(160) / 评论(0) 分类 英文摇滚歌曲

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发表于:2019-02-19 / 阅读(169) / 评论(0) 分类 加州英语分级G5

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发表于:2019-02-19 / 阅读(175) / 评论(0) 分类 加州英语分级G5

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发表于:2019-02-19 / 阅读(200) / 评论(0) 分类 加州英语分级G5

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发表于:2019-02-19 / 阅读(205) / 评论(0) 分类 加州英语分级G5

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发表于:2019-02-19 / 阅读(198) / 评论(0) 分类 加州英语分级G5

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发表于:2019-02-19 / 阅读(196) / 评论(0) 分类 加州英语分级G5

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发表于:2019-02-19 / 阅读(208) / 评论(0) 分类 加州英语分级G5
学英语单词
-crazy
Aberangell
atropus
auxiliary key field
Bakau, P.
Barre-Lieou
battles of langside
biogenetical
Boussouma
Brenzone
Calmuc
Canis lupus tundrarum
capture gamma rays
chemoreceptor of aortic body
chimen
cholodenko
comatosenesses
conditional relations
corona shield
crozet plateau
dapphniphyllum longistylium chien
Dawkins, Richard
decision thesis of probability
direct access storage device erase
dispersing lens
drop-hanger frame
earning protection
edward lawrie tatums
egg-box
ferrands
fibre periphery
Fill effect
friction starching
full fling
gear broach
geographic vertical
gnotobiotic culture
halterer
headhood
heat-treated steel bar
Helderberg formation
heterorhabdus clausii
high way crossing gap
huges
hyperbolic cylinder
instrument of evidence
internal pressure damage
international stream
Iron Butterfly
kalmanir
kvenna
macropsia
manometric techniques
masseteric
microphone socket
multiples of si units
multispiral
Net float
nichelle
nitrosulphophenol K
nonlinear phase-matching effect
number of strokes per minute
oceanographic catching
odo(u)r treatment
ofreach
Old Red Sandstone
other ship's engagements
overmeddling
paradentitis profunda simplex
partial eclipses
peppard
period shut-down
probe-set
raising and lowering operator
reactivity temperature coefficient
reiving
russula adusta
seawater treatment system
self-interaction
service percentage
Shackleton Canyon
SHG (second-harmonic generation)
slender lady palms
smart skins
specimen page
steel chair
successive time-share run
swimgloat
take (it) as read that...
thyratron servo
timpany
traumasthenia
trim stop
turgidity
two-in-hand winding
UHF tuning device
ultrametric inequality
ultrarational
viola striatas
voice a protest
voltage stabilization
working on live ultrahigh tension power lines