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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(187) / 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(140) / 评论(0) 分类 VOA双语新闻 2014年1月

pH - a measure of how acid or alkali a solution is. As the pH gets lower, the solution is more acid. At a pH of 7 the solution is neither acid nor alkali. pH is the inverse of the logarithm of the con

发表于:2019-01-03 / 阅读(148) / 评论(0) 分类 医务英语

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Batteries of the future need to deliver more energy, and they need to be smaller. Researchers at MIT think they have developed a technology that can, a

发表于:2019-01-08 / 阅读(170) / 评论(0) 分类 Scientific American(四)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(146) / 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(110) / 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(138) / 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(154) / 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(156) / 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(171) / 评论(0) 分类 TED演讲教育篇
学英语单词
a JAP
actio pro socio
air intake and exhaust system
animal glues
Arbathite
Arno Bay
automatic dialing
bending machine with fixed blocks
bergamas
blood glucose level
Boulting
buying out policy
Byttneria integrifolia
carrack
characteristic beauty
cleido-mastoid
colour video display unit
complex man hypothesis
cooking loss
courtine
cryogens
cysteine carboxypeptidase
dalea spinosas
decelerating economy
degree of syndiotacticity
East Greenwich
electrodeless
electrovalent bonds
exhort to
Foumbadougou
front stagnation point
gaolkeeper
gate amplifier
good-neighbour
guyette
Haas effect
halswort
heave into
henroost
high-pressure polyethylene film
hos-pital
Hough, Emerson
in the distant past
intense exercise
interior-type plywood
internostril
investment of sinking fund
inyx
jasmin bouquet
Kalanchoe tashiroi
keep bad company
light clothing
linkweiensis
lizardfishes
low-temperature condenser
mammaplasty
Mantang, Pulau
microphoto-electric photometer
monostromatic
Morse telegraph distortion
multisynthetic
nanotexturing
non-state entity
OLED lighting
phonotaxis
pile gun
platybasic type
plenodomus cocogena
plumly
polyphrasis
postfertilization
postvariscan regeneration
proscript
public intervention
putrid sore-throat
rape myth
Roja, Pta.
rubber disk shock absorber
safe allowable stress
San Jacinto
Sanandaj
see sb. through
septum sinuum frontalium
shectrock
shitbaggery
single barrel shotgun
slow virus infection
sodlet
sound-making
spinal arachnoidea
strong as a horse
subform
t(a)eniasis
thag
thank A for B
total gastrectomy with colon transplantation
total profit
Toussaint Louverture
traitresses
unimprovable
unjudged
vertical wedge wipe