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(208) / 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(179) / 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(172) / 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(159) / 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(219) / 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(212) / 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(207) / 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(219) / 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(272) / 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(188) / 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(178) / 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(218) / 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(160) / 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(172) / 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(264) / 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(161) / 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(192) / 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(351) / 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(184) / 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(227) / 评论(0) 分类 经济学人财经系列
学英语单词
absolute presupposition
Acetyl-AMP
agressire
all-blank field
aluminate
analogue accelerator
antenna booster
aphthous fever
apsis apse
ardisia squamulosa
bestways
bubble hair deformity
cacozelia
Calamus obovoideus
calices
cataporate
caterpillar tree
chelating effect
cold restart
Colorado tick fever
comarcas
computer misuse
computerphiles
constraint of velocity
coolant purification system
d'aquino
decoder memory
dehydrator
derivative element
effective gradient
electron exchange resin
Ethatab
family galbulidaes
Faraday rotations
fauquiers
fewsty
fleeings
football-pool
foreign atoms
friction slipping clutch
fused ore
grey radiator
half-reduced
hau-
healingly
high precision hob sharpening grinding machine
hot-cathode valves
inner expanding brake
instruments panel
internal grinding fixture
International Table calorie
kasin
Leflox
liagmentum lancinatum
liquid oxygen loading liquid line system
local food
machine oriented language
mail
make a bargain with someone over something
malpractice insurances
market regulations
mathematical algorithm
mean-square
method of secondary grouping
microbunch
microelectronic processes
minimum radar range
mounteine
musquitoes
myx-
nirjara
non-inflammatory calculus
Noptil
over-neat
oxihemogram
palatine spines
papillates
patell-
pinane
pmo
positive draft
regular sanitary supervision
repaired to
respits
road width
room-and-pillar
rotary air pump
side-ponds
Stauntonia pseudomaculata
stimulated luminescence
tend to do sth
theophylline ethylenediamine
theory of correspondent inference
triple body
trust with
undermassive
vagonerurosis
verrucose tumor
virtual geographic environment
weakness for
zero status bit
zoologik