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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(172) / 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(125) / 评论(0) 分类 VOA双语新闻 2014年1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(124) / 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(96) / 评论(0) 分类 白领英语晨读

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(124) / 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(134) / 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(133) / 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(151) / 评论(0) 分类 TED演讲教育篇
学英语单词
administrative powers
alternating tidal current
Atrichum
black-and-white developer
boat hull buoy
brick curb
care of grain binder
carrier chrominance signal
chakil
chitonal
closing sales
common channel signalling
costa propulsion bulb
counter-move
d'asaro
D.Sc.
decaffeinates
divided shielding
drop off the radar
dryloft
Eardisley
elevation error signal
empigen OB
encrust
environmentally oriented
family Typhlopidae
go down the road
good holding ground
grass-roots unit
guidi
Hexsyn
hot wall furnace
hydroxydaphnetoxin
ice mantle
imagery recognition
imaginary cube root
in pile
individual contributors
intelliservers
intercarotid bodies
joint zone
Kaminokuni
kirkuss
lawcourts
leucitoid
low(er) heat(ing) value
Mapp gas
matanin
mecocyanine
memory consumption
methyl bromide poisoning
misericordious
molecular freedom
multiplee
naval court
neohippy
net density filter
New Critic
Nilgaon
Obamafication
ombrophil
paraffin intermediate crude
pedestrian-only
perfect-storm
phallitis
plastic bonding
politico.com
polyrhythm
porous plug experiment
pseudaulacaspis megacauda
pwll
quantitative geomorphology
rami broechiales posrteriores
reckon
red carpet
redraft
regulation
resolubilize
reticular vein netted vein
rhacomitrium delavayi broth
rhyocrystal
Scale Tons
Serbo-Croatian
shallow granitic formation
shot capacity
shouldered arches
sialma
spettell
squalidus
straw yard
superstars
systematic mapping
São Pedro da Cadeira
the BRC
theca cell tumor thecoma
thread whirling machine
triquints
true wood fiber tracheid
typelogical-grammar
unbone
wunder
wyt