[化] 五联苯

Bouquinistes is the French word to call sellers of old books along the Seine River in Paris. The tradition has existed for over 400 years. However, modern technology like electronic book readers and sellers of books online are now hurting their profi

发表于:2018-12-01 / 阅读(385) / 评论(0) 分类 2018年VOA慢速英语(八)月

KELLY MCEVERS, HOST: Nearly 60 million emergency meals and more than 30 million gallons of water - that is what FEMA has delivered to people in Puerto Rico since Hurricane Maria hit in September. But now the agency is about to shut down the direct de

发表于:2018-12-02 / 阅读(184) / 评论(0) 分类 2018年NPR美国国家公共电台1月

Changes are taking place in Silicon Valley in California. Larry Page will replace Eric Schmidt as chief executive at Google. And Apple's chief, Steve Jobs, is taking another medical leave. Two years ago Mr. Jobs received a new liver. In two thousand

发表于:2018-12-07 / 阅读(216) / 评论(0) 分类 2011年VOA慢速英语(一)月

Many of the Burgess specimens have now been assigned to living phyla just where Walcott put them in the first place. 许多布尔吉斯标本现在已经归到活着的动物的门里就是沃尔科特最初放置它们的地方。 Hallucigenia and s

发表于:2018-12-18 / 阅读(185) / 评论(0) 分类 万物简史

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? To keep your car purring, you have to change the oil. Such maintenance produces eight billion gallons of used motor oil annually. Some waste oil does get re-refined to pro

发表于:2018-12-24 / 阅读(166) / 评论(0) 分类 Scientific American(三)月

Fun Fact: Alligators Can Regrow Teeth 有趣的事实:短嘴鳄可以再长牙齿 Fun fact about alligators: they can regrow any of their eighty teeth up to fifty times. Which is pretty impressive, especially compared to us relatively dentally chal

发表于:2018-12-28 / 阅读(147) / 评论(0) 分类 初学者听力文摘精选

its time again for the A Moment of Science mailbag. A listener writes: Dear A Moment of Science, Ive always been fascinated by volcanoes. So I was wondering: How well can scientists predict when and where a volcano will erupt? Intersting question. Th

发表于:2018-12-31 / 阅读(136) / 评论(0) 分类 英语听力文摘 English Digest

88 科学家正在研制治愈老年痴呆症的药品 SCIENCE REPORT - August 30, 2001: Testing Possible Treatments for CJDBy Nancy Steinbach (Start at 1'01

发表于:2019-01-02 / 阅读(178) / 评论(0) 分类 科技之光

This is Scientific American's 60-Second Science. I am Steve Mirsky.Got a minute? Talk about your vicious cycles. A new study finds that belly fat could be making you hungrier. Which would lead to more belly fat. The research was performed at the Univ

发表于:2019-01-08 / 阅读(185) / 评论(0) 分类 Scientific American(四)月

Algae seem harmless enough. These precursors to plants thrive throughout the world's waters. But these single-celled plants have global consequences. We can thank them for oxygen in the atmosphere, oil in the lithosphere as well as dead zones in the

发表于:2019-01-08 / 阅读(198) / 评论(0) 分类 Scientific American(十一)月

Renouncing Pablo Escobar's Sins, His Son Trafficks In Motivational Talks play pause stop mute unmute max volume 00:0004:29repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update yo

发表于:2019-01-16 / 阅读(195) / 评论(0) 分类 2016年NPR美国国家公共电台9月

SCOTT SIMON, HOST: I do not doubt that U.S. Customs and Border Protection agents did all they could to try to save the life of Jakelin Caal Maquin, a 7-year-old girl from Guatemala who died in their custody. The little girl and her father were among

发表于:2019-01-17 / 阅读(163) / 评论(0) 分类 2018年NPR美国国家公共电台12月

WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo

发表于:2019-02-04 / 阅读(328) / 评论(0) 分类 英语新闻

与数字有关的英语词根总结 milli-【千分之一】例:milliampere(毫安)=milli(千)+ampere(安培) centi【百分之一】例:centimeter(厘米)=centi(百分之一)+meter(米) deci【十分之一】例:decibe

发表于:2019-02-06 / 阅读(262) / 评论(0) 分类 英语学习方法

He was silent a minute or two, staring, not at the house, but at the thick undergrowth by which they were surrounded. Has it ever struck you, he said, that civilisation's damned dangerous? Dangerous? Such a revolutionary remark shocked Mr. Satterthwa

发表于:2019-02-16 / 阅读(335) / 评论(0) 分类 英文短篇小说

It was New Year's Eve. The elder members of the house party at Royston were assembled in the big hall. Mr. Satterthwaite was glad that the young people had gone to bed. He was not fond of young people in herds. He thought them uninteresting and crude

发表于:2019-02-16 / 阅读(215) / 评论(0) 分类 英文短篇小说

Sitting well back in his chair, secure in his role of audience, Mr. Satterthwaite watched the drama unfold before his eyes Quietly and naturally, Mr. Quin was pulling the strings, setting his puppets in motion. A woman--yes, he murmured thoughtfully.

发表于:2019-02-16 / 阅读(260) / 评论(0) 分类 英文短篇小说

Burbank Airport, please.Vegas, here we come! 去伯班克机场, 谢谢。拉斯维加斯, 我们来啦 No husbands,no boyfriends, no rules.No rules? 不带老公不带男友, 不设下限。不设下限吗? We're not gonna get drunk and have

发表于:2019-03-16 / 阅读(331) / 评论(0) 分类 生活大爆炸第六季
学英语单词
a store of goods
active monsoon
all round market competition
allocation of time of married woman
antixerophthalmia factor
arguablest
aureobasidioagglutinin
boiler heat balance
calking stuff
casaques
cathode bias separation
cathode layer arc technique
cerellatron
cotter way
decaturs
delacy
digestive cell
dik-dik
disconnected digraph
dismutation
dopamine theory
dzo
engestron
Espergærde
extent of porosity
Fastmet
fat milk
feran process
filtration area
floo
francis millet
freezeup period
fuel feed
Glenborrodale
Green Goddesses
gymnastic dance
hymenialdisine
i-comen
IDKY
in-ga
industrial thermal technology
instructional films
inverted flame
keep state
knobbler
knudsen-Langmuir equation
kryptopyrrole
lamellar wall
Landlt's broken ring chart
laser variables measurement
licea parasitica
loading crane
lorenzi
madonnina
MFWLB (main feedwater line break)
middle cerebellar peduncles
mishandling
monographed
mortals
non-conducting transistor
obsessive-compulsive disorder (ocd)
operating temperature of thermostatic switch
ophthalmospectroscopy
palomas
Perche, Col de la
pin packing
pintabona
point one's finger at
precurosor
pressure-field
principles of electric engineering
product knowledge
quadratic loop
radiation chemistry
related rate
resultant speed
robbi
secondary smelter
seeping away
semi-peripheries
social morality
soft-handed
spatter rampart
stellaria media (l.)cyr.
submerged fermentatin
subsiduous
superconduct gravimeter
takes the cake
thin film transistor
throttling range adjustment
tivolis
trumpettier
trust of imperfect obligation
two motion switch
uniform spacing
unit of escapement
whytch
wikstroemia dolichantha diels.
woollybacks
wrastle
Writely
Yirol