氯甲基乙基醚

AS IT IS 2014-05-25 Scientists Search for New Ways to Stop Mosquitoes 科学家们寻找新的方法来对付蚊子 The sound of a mosquito can mean trouble in many parts of the world. The bite of a mosquito can be deadly. Today, we will hear about s

发表于:2018-12-08 / 阅读(132) / 评论(0) 分类 2014年VOA慢速英语(五)月

美科学家研发新一代驱蚊剂 In many regions of the world, mosquitoes are a seasonal pest. In other regions, they carry serious diseases like malaria. The World Health Organization estimates that almost 630,000 people died of malaria-related

发表于:2018-12-19 / 阅读(89) / 评论(0) 分类 VOA双语新闻 2014年1月

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(113) / 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(111) / 评论(0) 分类 六分钟英语

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(156) / 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(96) / 评论(0) 分类 英文摇滚歌曲

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(122) / 评论(0) 分类 2015年VOA慢速英语(十)月

Promising Mosquito Repellent Announced美科学家研发新一代驱蚊剂 In many regions of the world, mosquitoes are a seasonal pest. In other regions, they carry serious diseases like malaria. The World Health Organization estimates that almost 6

发表于:2019-01-14 / 阅读(84) / 评论(0) 分类 VOA标准英语2014年(一月)

One Police stops on police vehicle outside one Victoria's Bar. After the preparation, as necessary arrests?, this liquor drive slightly mixes. Suddenly he sees to have a young people shakely goes out from bar, spend the many figures only then finds

发表于:2019-01-17 / 阅读(62) / 评论(0) 分类 白领英语晨读

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(62) / 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(69) / 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(133) / 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(81) / 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(82) / 评论(0) 分类 万物简史

On its website, a history of the company makes no mention of leador indeed of Thomas Midgleybut simply refers to the original product as containing a certain combination of chemicals. 在它的网站上,公司的历史没有提及铅──也没有提

发表于:2019-02-17 / 阅读(90) / 评论(0) 分类 万物简史

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(104) / 评论(0) 分类 万物简史

Lead is a neurotoxin. Get too much of it and you can irreparably damage the brain and central nervous system. Among the many symptoms associated with overexposure are blindness, insomnia, kidney failure, hearing loss, cancer, palsies, and convulsions

发表于:2019-02-17 / 阅读(96) / 评论(0) 分类 万物简史

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(116) / 评论(0) 分类 TED演讲教育篇

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(83) / 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(114) / 评论(0) 分类 经济学人财经系列
学英语单词
Akutan Bay
anisotropic seepage
ankylodactylia
apparent sun
applicationer
association control service element
avariciousness
axial blast extinguishing chamber
Back water!
balantidiasis
barhoppers
belly-dance
bilge automatic discharge device
bob dole
books of ezra
bos gaurus
brittlebanks
Catholicises
cherne
clue up
death-light
derricking limiter
Dick Cheney
disilanylamino-
dollar accounting
double-block and bleed assembly
Dunǎrii, Delta
eerisome
ethylhydroxyethylcellulose
european single market
excavation of the site
extension tongs
film thickness tester
fluid passage
foundation of equipment
Foyle, Lough
fractional film defect
frommarding
Glen Massey
gonidanglum
guiser
HDMTX/LV
highway robber
hovering characteristic curve
hundred-and-twentieth
hydraulic coal mining
hyperglobalist
i-wepened
integrated conduct method
ion core
japanese twin
jarub
lamellar fracture
lateral cavity
lead base solder alloy
load real address
loop-carrier
lycopersicons
macroeconomic experts
matrix cracking
metadescriptions
miscible
misogynistical
original mark up
overspeed protection controller
paytine
police commissioner
Polygonatum gracile
polylogia
polymerization reaction engineering
quadratojugals
quinzhees
recurrent chain
reference orbit
remote disconnect
residential allowance
runway marking
S. A. C.
sarcochore
Saxonians
sdsnsas-s
sequela of paralysis
signal overflow
stemming list
Streptopelia risoria
take to the field
Thierrens
tidal report
tinte
Uel'kal', Mys
underwater pile driving
unprudishly
urban planning survey
velocity rate
wasa
well flowing
wet lung of newborn
wfsu
width of cotter slot
Wilno
wool gather
zoea larva