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[拉]乙基

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(198) / 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(153) / 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(158) / 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(127) / 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(148) / 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(165) / 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(170) / 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(186) / 评论(0) 分类 TED演讲教育篇
学英语单词
a captive shop
air-monitoring
Anshan
arrestin
b.p.r.d
batting in
bid - ask spread
bint.
cash-in-advance models
Cast a long shadow
chlorargyrite
closure plan of ice wall
coffee-ground-like
contracted responsibility system of editors
cotton top
crank shaft connecting rod type oil motor
cruise attitude
disrobement
dodecyl
Dole, Robert J(oseph)
doubly-connected domain
eczema craquelatum
electrocision
ephebus
flouncers
frederick iis
furanic
Gelendzhik
graphite burning
Haslund
heat polyphea
hybrid annuity
hypothecates
inverse current transfer rario input shorted to a.c.
Jacques Yves
kvamme
LacCer
lessens
ligusticum acutilobum sieb. et zuce.
Livada
load bearing wall
Maillebois
major general
memory time of observer
mini ephedrine
misfunctions
multiprocessor configuration
Munsterwoman
Nazisploitation
Nimzowitsch Defence
Novoshakhtinsk
oil orifice
ollies
out of stock cost
passionate love
Peking
percussion composition
petit mal epilepsies
phoning in
pieced
Pimpinella koreana
pizzahead
planoconcave lens
praseodymian
radial outflow compressor
reappears
reboiler condenser
refueling pattern
rehabilitation evaluation
resealing pressure
respiratory orifice
rock beam
ruben
sacred dance
salpingooophorectomy
Saratogian
sharp eyes
siomine
slope of a front
slot-and-wedge type
speed-freak
split the layout line
symbiotrophy
T-carrier system
Ta-Kaw
the eastern hemisphere
thiamines
Thomas process
thundergod
tread rig
trithioformaidehyde
ureteral lithiasis
vestibulo-
vinilestrenolo
voltage compensation method
warm eddy
water-reactive propellant
webfoot
with one's eyes closed
within reach
withstand pollution test
woodson