[化] 乙基铝; 三乙基铝

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(135) / 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(92) / 评论(0) 分类 VOA双语新闻 2014年1月

The aluminium smelter at Tiwai Point near Invercargill opened in 1971. It had a contract to buy cheap electricity, generated by hydro-electricity from Lake Manapouri which is not far away. Now in 2013, 13% of all electricity generated in New Zealand,

发表于:2018-12-31 / 阅读(97) / 评论(0) 分类 新西兰英语

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(90) / 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(66) / 评论(0) 分类 白领英语晨读

A: I am looking for a pan. B: No problem. What size would you like? A: A big one would be nice. B: How about this one? It's our biggest16 in diameter. A: Oh, yes. I like that one. But it's too heavy. B: Okay, try this one. It's made of aluminum. A: O

发表于:2019-01-20 / 阅读(134) / 评论(0) 分类 购物英语对话

A: Can you help me find a pan? B: Are you looking for a small, medium, or large pan? A: I want a big pan. B: Does this one look big enough? A: Yes, it's the right size, but it weighs too much. B: Well, what do you think of the aluminum pan? A: It's l

发表于:2019-01-20 / 阅读(143) / 评论(0) 分类 购物英语对话

A: I'd like to purchase a pan. B: Is there any particular size that you want? A: Well, I cook a lot of big meals. B: What do you think of this one? It's a 16 pan. A: Yes, that's the right size, but it's so heavy. B: Well, look at our aluminum pan. It

发表于:2019-01-20 / 阅读(101) / 评论(0) 分类 购物英语对话

IT WAS tempting fate to call an ambitious new aircraft the Dreamliner. A combination of radical technology and a novel outsourced system of manufacture has turned the Boeing 787 into a nightmare. 把一架充满雄心的新型飞机称为梦幻客机,

发表于:2019-01-26 / 阅读(63) / 评论(0) 分类 经济学人商业系列

Selfies could soon be even sharper, if claims about Apple's next iPhone are confirmed. 若关于下一代iPhone的推测属实,自拍体验或许会更加炫酷。 Experts analysed the recent test version of iOS 9 released by the firm - and founds

发表于:2019-02-02 / 阅读(80) / 评论(0) 分类 阅读空间

Two fresh attacks by short sellers on Hong Kong-listed stocks are testing the citys efforts to limit companies ability to halt their shares from trading without answering allegations. 卖空者对香港上市股票发起的两起最新袭击,正在考

发表于:2019-02-03 / 阅读(58) / 评论(0) 分类 英语新闻

A controversial Chinese metals entrepreneur plans to acquire Aleris, a privately held American rolled aluminium products producer, for $1.11bn in cash plus $1.22bn in net debt. 一位引发争议的中国金属制品企业家计划以11.1亿美元现金

发表于:2019-02-05 / 阅读(113) / 评论(0) 分类 英语新闻

1. The search continues for 20-year-old Lauren Spierer. Police have few leads but suspect foul play in the disappearance of the Indiana University sophomore who has been missing for five days. 2. Moammar Gadhafi stood defiant in the face of the heavi

发表于:2019-02-11 / 阅读(163) / 评论(0) 分类 美联社新闻一分钟2011(六月)

And是一个常用的并列连词。其一般的用法和译法,已有不少文章论及。本文仅就and的一些特殊用法作一简单介绍。 一、And前后的两部分表示同时发生的动作,或同时存在的属性、特征等可译为

发表于:2019-02-13 / 阅读(103) / 评论(0) 分类 英文语法词汇

Current-account imbalances are not always a cause for concern. 经常账户失衡并不总是一件令人担忧的事。 As a matter of arithmetic, they measure the gap between domestic savings and investment. 基于数理逻辑,他们对国内储蓄

发表于:2019-02-17 / 阅读(69) / 评论(0) 分类 经济学人财经系列

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(92) / 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(108) / 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(101) / 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(122) / 评论(0) 分类 TED演讲教育篇

In the small village of Lasanayah, Mamadou Kalissa looks out over his ancestral home. 在Lasanayah的一个小村庄里,马马杜卡利萨朝着自己的老家看去。 Last year it was farmland but now bauxite mining has turned it into a Martian l

发表于:2019-02-24 / 阅读(108) / 评论(0) 分类 经济学人商业系列
学英语单词
?-ketobutyrate
accrued expenditure basis
acoustic resonance
administrative ecology
admitters
apicella
apocrisiarii
arapeshes
BATAN (Batan Tenaga Atom Nasional)
bead tube
bee radiator
bierd
canned meat
cesium ammonium bromide
check-lists
child acute laryngitis
chuck body
cinetonucleus
circulation channel
coalition for networked information
combustion mode
commoncollector
community coalition action theory
delivery instructions
dimethyl phthalate
Dinophysidales
dipsomaniac
discoidal division
divisional manager
empty field myopia
enchancement factor
engine-maker
epicranial plate
EX-lo
fool's mates
foretopgallantmast
furfurol tests
Gossypium religiosum
ham facing
handprintings
hard vacuum tube
hexahydrobenzyl alcohol
heyman
hull stress measurement
Hutton Lake National Wildlife Refuge
hydrosilylation
image type
impersonal micrometer
in layers
invariant ideal
ioxitalamate
Jehovism
joven
land-minest
lift a ban
light shaft
lophiodont
lower fibre
Maesa ambigua
male screwbolt
Meliau
Meliki
molecular separator
naviculocuboid
nitroglycerins
non-compliance with a warranty
openside plane
operator domain
Osman II
phenylethyla mine-N-methyl transferase
polarizing quartz
pools zone
principle of minimum
quiet internal gear pump
radar tracking control
Roccapalumba
rosin varnish
route cross section
Ruppia maritima
say it
scattering volume
Serinc
shaft misalignment
shoulder-elbow distance
slow setback
SMIDSY
social leader
stare with astonishment
Super Eight
sweerness
TDF (tape data family)
temperate phage
temporary starch
thalrugosaminine
thermoregulatory mechanism
to lie in state
turbulent relaxation phenomenon
unaccompanied shipment
vincinine
Witzhave
wood window
X-ray room