氯化苯醚

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(264) / 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(211) / 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(206) / 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(204) / 评论(0) 分类 英语听力文摘 English Digest

By now, most people have heard of bitcoin. Bitcoin is a virtual currency that has had a huge rise in value during 2017. Bitcoin however is just one of many cryptocurrencies. A cryptocurrency is a kind of money that does not exist in the form of bills

发表于:2019-01-03 / 阅读(272) / 评论(0) 分类 2018年VOA慢速英语(一)月

Alice: Hello and welcome to 6 Minute English from BBC Learning English: well be talking about a story in the news and learning some vocabulary along the way. Im Alice and joining me today is Rob. Hi Rob. Rob: Hi there Alice. Alice: Now, Rob are you a

发表于:2019-01-07 / 阅读(245) / 评论(0) 分类 六分钟英语

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(251) / 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(259) / 评论(0) 分类 Scientific American(十一)月

英文歌词: There's no combination of words I could put on the back of a postcard No song that I could sing But I can try for your heart, our dreams, and they are made out of real things like a shoebox of photographs with sepia-toned loving Love is th

发表于:2019-01-10 / 阅读(316) / 评论(0) 分类 音乐咖啡厅

Fire has left V?in??l?'s heart stones Light has gone Dark nights no light under the sky Hard to find the fire-child Eagle of fire with fiery feathers Made a spark Ukko made the Kokko's spark Kindle as a fire [Chorus:] Fly into the night bring back th

发表于:2019-01-10 / 阅读(232) / 评论(0) 分类 英文摇滚歌曲

Words and Their Stories: Get Your Act Together 词汇典故:行动起来 I'm Susan Clark with the Special English program WORDS AND THEIR STORIES. 现在是美国之音慢速英语词汇典故节目,我是苏珊克拉克。 A woman from Japan was

发表于:2019-01-12 / 阅读(211) / 评论(0) 分类 2013年VOA慢速英语(三)月

Top 5 Crowdfunding Projects Ever A great idea is never enough. You need money to turn your idea into a reality. Your family and friends may give you money for your idea. But you are going to need more people to invest, unless you have very rich frien

发表于:2019-01-12 / 阅读(269) / 评论(0) 分类 2015年VOA慢速英语(十)月

And then -- this is the key part -- that block is linked to the previous block 随后是关键的部分,该区块连接到前一个区块, and the previous block to create a chain of blocks. 以及更前面的区块,形成了一连串的区块。

发表于:2019-01-18 / 阅读(191) / 评论(0) 分类 TED演讲商业篇

英音和美音,原来这么多单词听起来都不一样! 英式英语和美式英语,在很多方面都有所不同,包括在细微的语法使用,单词的拼写以及单词的发音上都有一些区别。今天我们主要分享一些常

发表于:2019-01-18 / 阅读(225) / 评论(0) 分类 卡卡课堂早餐英语

马路上的车越来越多,在车多的马路上,自行车道甚至会被挤占,这是真的吗? Alice: Hello and welcome to 6 Minute English from BBC Learning English: well be talking about a story in the news and learning some vocabulary a

发表于:2019-01-23 / 阅读(317) / 评论(0) 分类 一起听英语

If you needed to illustrate the idea of nineteenth-century America as a land of opportunity, you could hardly improve on the life of Albert Michelson. 如果你需要说明19世纪的美国是个机会之乡的理念,那么你很难再找到像阿尔

发表于:2019-01-29 / 阅读(197) / 评论(0) 分类 万物简史

What Michelson and Morley did, without actually intending to, was undermine a longstanding belief in something called the luminiferous ether, 迈克尔逊和莫雷所做的实际上是在无意之中所做的破坏了长期以来人们对一种所谓光

发表于:2019-01-29 / 阅读(226) / 评论(0) 分类 万物简史

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(406) / 评论(0) 分类 英语新闻

模仿文本: And a British doctor says there isevidence that snipers in another part of the country are using civilians fortarget practice. David Noether is a consultant general surgeon in the UK for the National Health Service. He's just returne

发表于:2019-02-23 / 阅读(238) / 评论(0) 分类 英音模仿秀

Even before worries surfaced that the currency could split in two over the disagreement, 甚至在货币可能分裂成两种的担忧显露出来之前, bitcoin holders started to diversify into some of the many other crypto-currencies, or alt. co

发表于:2019-02-25 / 阅读(264) / 评论(0) 分类 经济学人财经系列
学英语单词
accreditation program
actuating cylinder
Agapetes praestigiosa
animal thinking science
Apatity
arctocephaluss
be in reduced circumstances
bivariate central limit theorem
blepharophryplasty
bluefins
bubiyan
bulk-cum-oil carrier
camptodromous
cement-hopper
cheechakoes
coast-wise freighter
Dassa
degased solution
deglobalises
desert islands
djatiwangi (jatiwangi)
Dungau
E. D. L.
electrical safety analyzer
electy
employee-benefit
experience based
felici
flax bow
focusing condition
Garapan
genital cells
gliriform
growing degree-day
gurjan
humefy
increased exertion
indirect arc plasma torch
interconnection approach
joint buying office
Justicia leptostachya
latent hyperopia
lenticular nucleus
little house
looking-glass plant
lyotard
main en squelette
Martin Peninsula
mend or end
Mikhail Ilarionovich Kutuzov
milkboxes
month in and month out
multiple identities
muscular flexor caudalis ventralis
nicish
non empirical
noumer
piece-wise
plaitings
post-axial
posterolingual
power law profile
prespeech
prevention of loss
pseudogapping
puff ball
PUSE
PWD,P.W.D.
radial pitch variation
regreets
reseight
resource profile
roofy
rotary relay
ryotwari
semiquinone intermediate
simplicial cell
slipskin grapes
solar stream
somatising
Southwest National Park
standing state
stenohaline fish
stick buffer support
subordinate sp.
subscription rate
surplus of capital
swim meets
thm
threw your weight around
titulature
Twentieth Century-Fox Film Corporation
type of string
ultracheap
umbilicary
universal coal cutter
vacuum intervalve coupling
velchanos
volauvent
watkinsville
whurl
xiang