[建] 三级硝基化合物

This is the VOA Special English Development Report. Right now, the top story in AIDS research involves newly announced findings about adult male circumcision. Two studies in Africa found that circumci

发表于:2018-11-27 / 阅读(481) / 评论(0) 分类 2006年慢速英语(十二)月

1. Parts of North Carolina all the way up to Massachusetts have been rattled by an earthquake. The 5.9-magnitude quake was centered in Virginia and has caused minor damage and some injuries. 2. Hundreds of Libyan rebels have stormed one of Muammar Ga

发表于:2018-12-15 / 阅读(199) / 评论(0) 分类 美联社新闻一分钟2011(八月)

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? Generations of American children have been told, Eat your broccoli! And for decades, researchers have known that broccoli and related vegetables like cauliflower and water

发表于:2018-12-24 / 阅读(168) / 评论(0) 分类 Scientific American(一)月

This is Scientific Americans 60 Second Science, I am Cynthia Graber, this will just take a minute. Compounds found in the herb thyme have antibiotic properties. Now scientists have demonstrated that thyme might have a future role in fighting acne. A

发表于:2018-12-24 / 阅读(244) / 评论(0) 分类 Scientific American(三)月

Ever wondered why mosquito eat some people up but leave others relatively unscathed. a new study find this prefential treament due to smells produced by the microscopic critters that cover our bodies. the reaserch is in the journal public library sci

发表于:2018-12-24 / 阅读(212) / 评论(0) 分类 Scientific American(一)月

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Take a deep breath. Taste anything? Actually, your lungs may, because scientists have discovered that the same receptors that exist on the tongue to tast

发表于:2018-12-24 / 阅读(158) / 评论(0) 分类 Scientific American(十)月

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(166) / 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(418) / 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(427) / 评论(0) 分类 麻省理工学院公开课:单变量微积分

This book stinks! is really a bad review. But even a classic work can start to smell when it gets old enough. Now chemists have developed a technique that identifies what kind of degradation process an old book or historical document is going through

发表于:2019-01-08 / 阅读(151) / 评论(0) 分类 Scientific American(十一)月

This is Scientific Americans 60-Second Science, Im Steve Mirsky. Got a minute? The 2010 Nobel Prize in Chemistry goes to the University of Delawares Richard Heck, Purdues Ei-ichi Negishi and Hokkaido Universitys Akira Suzuki for their work in develop

发表于:2019-01-08 / 阅读(188) / 评论(0) 分类 Scientific American(十)月

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Wine can help keep conversation flowing at a dinner party. And now it looks like that wine may aid in materials science as well. Japanese researchers dis

发表于:2019-01-08 / 阅读(247) / 评论(0) 分类 Scientific American(三)月

[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(274) / 评论(0) 分类 英语对接游戏

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(140) / 评论(0) 分类 VOA标准英语2012年(二月)

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(150) / 评论(0) 分类 万物简史

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(227) / 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(138) / 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(162) / 评论(0) 分类 白鲸记

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(158) / 评论(0) 分类 听播客学英语

Why is my verse so barren of new pride, 为什么我的诗缺乏点晴之笔, So far from variation or quick change? 行文沉闷呆板,千篇一律? Why with the time do I not glance aside 为什么我的诗不顺应时尚, To new-found meth

发表于:2019-02-24 / 阅读(228) / 评论(0) 分类 莎士比亚十四行诗全集
学英语单词
abaominal myomectomy
abrasive paper for wood
accountant report
acrobatism
almsdeeds
Amboccelia
armed rioting
arnidol
associated triangle
atrus
b. m. thyreohyoidei
battistich
bending rigidity
brake spring
breast gangrene
broomhall
chauff
control stick
cover deficit
decadent art
dishonored notes
dissociation constant
downstream processing
due-out
duveens
East Bridgford
effector system
Eitorf
emission cell
empirical value
espejo
family relation
fast oscillating watch
fire station bill
Geranium platylobum
haab-dimmer(syndrome)
handing bolts
helloed
Iacobdeal
in coat and skirt
inert black
jewelhouses
ladder reefs
laughon
lie on the table
light pen attribute
limited policy
mackall
made a promise
member short sale ratio
mistuned circuit
monophthongal
monotelosomic
Moslemah
mummyjis
none man
nonrights
off-split
online consultation
oscillating journal bearing
otiC cerebral abscess
pad aligning at the central point
pernods
polynomial representation
posterior portion
preadvised
process interface system
quality control manager
radio-strontium
real-time clock word
religious orders
rent of growing stock
reset control circuit
rigid pad
rousham
sacciform kidney
scalesia
scare something up
sceg
service-provider
simplified statistical procedure
slag hole
sodium peroxytantalate
speed timer
sporty suit
sporulated
Sturnidae
taransay i.
Teucrium viscidum Bl.
tooth cavity
total memory
transposes
trioxolane
vacuum-pressure impregnation plant
veneer of soil
verbal recall
vespucci
viener
waiver of demand
waste-book
welding with waving
zero ohm adjustment