2-(二乙基氨乙氧基)乙基-1-苯基环戊烷-1-羧酸酯

发表于:2018-12-02 / 阅读(152) / 评论(0) 分类 英语口语1+1

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(110) / 评论(0) 分类 Scientific American(三)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. As Valentines day approaches, remember, its the thought that counts. Just ask a decorated cricket. Because according to a study published in the January

发表于:2018-12-24 / 阅读(117) / 评论(0) 分类 Scientific American(一)月

86 去痛片须慎用 DATE=8-16-01 TITLE=SCIENCE REPORT - OxyContin Warning BYLINE=Jerilyn Watson (Start at 1'02

发表于:2019-01-02 / 阅读(142) / 评论(0) 分类 科技之光

Christmas Celebrated AZUZ: And of course, Christians around the world celebrated Christmas on December 25th, marking the birth of Jesus. One of those celebrations, which you see right here, was held in the city of Bethlehem, the site where Jesus was

发表于:2019-01-08 / 阅读(384) / 评论(0) 分类 CNN2010年(一)月

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(123) / 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(123) / 评论(0) 分类 Scientific American(十一)月

Mary, Did You Know? - Pentatonix Mary did you know take your baby boy 玛丽你知道吗你的圣子 Would one day walk on water 有一天会在水上行走 Mary did you know that your baby boy 玛丽你知道吗你的圣子 Would save our sons and d

发表于:2019-01-10 / 阅读(111) / 评论(0) 分类 2015最新精选英文歌曲

By Jim Bertel Washington, D.C. 31 July 2006 watch Diplomacy report U.S. Secretary of State Condoleezza Rice is on her way home to Washington today Monday optimistic that a comprehensive settlement to the Middle East crisis can be reached in the comi

发表于:2019-01-12 / 阅读(149) / 评论(0) 分类 2006年VOA标准英语(七月)

By Alisha Ryu Nairobi 24 September 2007 The spokesman for the new Eritrea-based Somali opposition alliance tells VOA that the group's Islamist-led forces are in an all-out war against Ethiopian troops in Somalia in a bid to oust the Ethiopians from t

发表于:2019-01-13 / 阅读(192) / 评论(0) 分类 2007年VOA标准英语(九月)

The faithful have flocked to the West Bank town of Bethlehem to celebrate Christmas. Christians gather on Christmas Day inside the Church of Nativity, believed by many to be the birthplace of Jesus Christ, in the West Bank town of Bethlehem, Thursda

发表于:2019-01-13 / 阅读(139) / 评论(0) 分类 VOA标准英语2008年(十二月)

Oum Sok began working as a cyclo driver when he was 18. He says the city has become very expensive over the years, making it much harder to earn a living. New York has its yellow cab. London has its red bus. But Phnom Penh has its cyclo - a three-whe

发表于:2019-01-13 / 阅读(150) / 评论(0) 分类 VOA标准英语2010年(六)月

So awesome, right? Another example is Pentair. Pentair is a U.S. industrial conglomerate. 很棒,对吧?另一个例子是滨特尔。滨特尔是美国的工业集团。 And about a decade ago,they sold their core power tools business and reinve

发表于:2019-01-18 / 阅读(112) / 评论(0) 分类 TED演讲国际问题篇

Beginners. Well, it's time for a new dog. For the past year, we have been a one dog family. But, you know, our dog, Rosie, is a wildly social lady. She goes crazy any time she meets another dog, a cat, a mouse, or a bird, let alone a human. But, the

发表于:2019-01-28 / 阅读(105) / 评论(0) 分类 英语博客 A cup of English

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(189) / 评论(0) 分类 英语学习方法

Beginners. Today, Foxy had an appointment with the vet for vaccinations and a general check-up. She is about eight months old, so she needed her second set of vaccinations. The vet also needed to see if her growth was normal and healthy. I put her in

发表于:2019-02-07 / 阅读(132) / 评论(0) 分类 英语博客 A cup of English

By counting back through these layers and measuring the amount of lead in each, he could work out global lead concentrations at any time for hundreds, or even thousands, of years. The notion became the foundation of ice core studies, on which much mo

发表于:2019-02-17 / 阅读(127) / 评论(0) 分类 万物简史

用数学知识强化记忆 fourscore = four(4)score(20) 80 美国第16任总统林肯演说词第一句:fourscore and seven years ago, 那么,怎样才能记住 fourscore 这个词而终生不忘呢?只要我们了解了fourscore 的逻辑思维

发表于:2019-02-21 / 阅读(117) / 评论(0) 分类 实用英语

If you were going to a restaurant and wanted a healthier option, 如果你去饭店,你想吃得健康一点, which would you choose, grilled or fried chicken? 你会选择哪种食品呢,烤鸡还是炸鸡? Now most people would answer grill

发表于:2019-02-21 / 阅读(140) / 评论(0) 分类 TED演讲教育篇

【大森】美国sing-off冠军Pentatonix最新纯人声超赞翻唱Calvin Harris和绵羊音Ellie Goulding热单《I Need Your Love》。人声合唱搭配五彩缤纷的mv剪辑,让人眼前眼花缭乱的同时身体也不禁随着节拍舞动起

发表于:2019-03-11 / 阅读(262) / 评论(0) 分类 好听的英文歌曲
学英语单词
abstricting
accidental inclusion
addressable converter
agricultural adjustment act
bolting flange
brainman
brick-field
cacothymias
centro-dorsal
chemostats
Clerodendron yunnanensis Hu
council of state
crtter
cyberutopias
deroofs
diamond wedding anniversaries
dual channel controller
Dubois County
edgewise conglomerate
electron fractography
electron sink
embedded instrument
endomyocardial biopsy
event response objects
fastening coefficient
Fayansovaya
flange lubricator
for-sale
free stroke
genus gazanias
globulus
gottic
HARINGEY
heading command
hematemesis during menstruation
hieroglyphize
hodiernal
hot-rolled steel section
hypertrophy of anal papilla
i-bringe
incipient symptom
inions
insolubiliser
karoes
laws of conservation of energy
leaching erosion
lime blow-in process
longitudinal segmentation
lump ice
magistad
Marchinbar I.
marginal account
maximum effective temperature
mucocyst
mythemes
nationalizer
net fan requirements
one shot job
online fraud
overlap channel
persecutrices
pesticon
phosphohydrolase
Picentary
pillerie
pinophyte
primary safety valve for inner container
pull-grader
quirkiest
rectifier welding machine
regulatory period
relevant control
remark column
Richmond crown
ring chain bucket elevator
roller towels
scribbliest
Seriphidium gracilescens
shipping center
Snjóalda
spare-part surgery
splenial gyri
steel reinforced aluminium conductor
step lighting switch
suckeners
sweep wood
syndrome of incoordination between spleen and stomach
tack up
tendon splitting
term insurance
tokenizations
transmissibility
travel-agency
tsantsas
tuberculotherapy
unhelpfulnesses
untold
vertical diffusivity
warm-tongue steering
wholely
Zoungbodji