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联甲胺羰

AS IT IS 2016-10-01 Report: Smoking May Permanently Damage Genetic Material 报告称吸烟或永久性损伤你的遗传物质 Here is another reason to not light up a cigarette. Smoking can permanently damage your genetic material, according to a n

发表于:2018-12-16 / 阅读(287) / 评论(0) 分类 2016年VOA慢速英语(十)月

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Saliva contains many useful components: lubricants, enzymes for breaking down food and now compounds that can reveal a persons age. Thats according to a

发表于:2018-12-24 / 阅读(328) / 评论(0) 分类 Scientific American(六)月

Ever get a sour stomach after your morning coffee? Well, you might end up switching to a dark roastbecause that coffee concoction may leave you with a happier tummy. That's according to the research presented at the American Chemical Society meeting

发表于:2018-12-24 / 阅读(336) / 评论(0) 分类 Scientific American(三)月

You may have heard that humans and chimpanzees have something like 96 percent of our DNA in common. So why, then, are diseases like cancer so common in humans but so rare in chimps? If our DNA is nearly identical, shouldnt we be at risk for many of t

发表于:2018-12-28 / 阅读(298) / 评论(0) 分类 初学者听力文摘精选

Stomach Cells Happier with Dark Roast Coffee Ever get a sour stomach after your morning coffee? Well, you might end up switching to a dark roastbecause that coffee concoction may leave you with a happier tummy. That's according to research presented

发表于:2019-01-02 / 阅读(324) / 评论(0) 分类 60秒科学

M Madasiatic acid 崩大碗酸 Magnoflorine 木兰花碱 Magnolia cortex P.E 厚朴提取物 Magnolol 厚朴酚 Maitake mushroom P.E 灰树花提取物(舞茸提取物) Malonyl Oleanolic acid Hemi

发表于:2019-01-03 / 阅读(346) / 评论(0) 分类 医务英语

AGRICULTURE REPORT - Restrictions on Methyl Bromide By Mario Ritter Broadcast: Tuesday, March 16, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Graphic Image Some chemicals

发表于:2019-01-06 / 阅读(365) / 评论(0) 分类 农业与发展

An ass and an ox,fastened to the same yoke,were draging a waggon.While the ox was pulling with all his might he he broke a horn.The ass swore that he had got no help whatever from his weak companion.Exerting himself in the labour,the ox b

发表于:2019-01-09 / 阅读(387) / 评论(0) 分类 趣味英语

By Caty Weaver Broadcast: September 12, 2003 This is Bob Doughty with the VOA Special English Environment Report. Scientists in the United States have reported some good news about the 1)ozone in the

发表于:2019-01-11 / 阅读(346) / 评论(0) 分类 VOA2003(下)-环境与健康

Scientists, Regulators Look to Save Smaller Fish in Marine Food Chain Perhaps you've had salmon, tuna, or swordfish for dinner recently. Or maybe it's on the menu tonight. Every big fish that lands on your plate got that big by eating lots of little

发表于:2019-01-14 / 阅读(284) / 评论(0) 分类 VOA标准英语2011年(八月)

Science and Technology Epigenetics and stress Baby blues 科技 外因遗传与压力 新生儿蓝调曲 A mother's stress while she is pregnant can have a long-lasting effect on her children's genes 母亲孕期压力过大会对孩子的基因造成长

发表于:2019-01-26 / 阅读(362) / 评论(0) 分类 经济学人科技系列

Body Clock Provides Clues to Aging 生物钟提供衰老的线索 If youre searching for the fountain of youth, you might find it in your DNA. Thats according to a new study that sheds light on the biological clock ticking in our genomes, why our bod

发表于:2019-01-31 / 阅读(387) / 评论(0) 分类 VOA常速英语2013年(十月)

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发表于:2019-03-02 / 阅读(414) / 评论(0) 分类 加州英语分级GK

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发表于:2019-03-02 / 阅读(354) / 评论(0) 分类 加州英语分级GK
学英语单词
a heavy course load
absitively
Aklan R.
all hat and no cattle
anharmonic interaction
application document
Asterothamnus
asymmetric refractor
attonce
audio cassette
baerman funnel method
bandwidth guarantee
better-player
Boolean item name
botanisers
cadmium tetraamineperrhenate
canbe
Chondrodactylus
citrus meal
cold box
continuous broaching machines
Corynebacterium hydrocarbclastus
david baltimore
deflectometer
dehydroisoandrosterone
diagonal section
disjoint union
drinking bout
eco-incentive
effective masking
end of record gap
erythroblasts
Euphorbia jolkinii
flame detector system
flying-boats
foreseeing
fractional terminatior
global criticality
green mt.
hold paint
hypercommodified
ideal
if block
inactor
insuffisance
internal transfer vehicle system
inventory accumalation
kicking straps
Kinoe
lemonwood
like a duck to water
linearized Boltzmann equation
long title
loungest
marked progress
meliphanite
mobile devices
muges
multiterminal status information
operosely
Orava
oxetose
pakes
pedestrian movement
photoglow tubes
Pleuronectiformes
prolactin-dependent
rail freight
random queries
read/write check indicator
Rhododendron kiangsiense
round frame motor
sacrificeable
satinized
Sayang, Pulau
Schiltberg
secondary bronchi
serious irregularity
Sherifian
ship lift-transfer chamber
similarity model
Simonds
snow bunnies
sold at a good profit
spilly place
sprue puller
standard enthalpy of formation
the flower fairy
the robe
thick-billed
threaded joint
three-nutrient compound fertilizer
throw stick
toussaint
triangular groove
trombidiidaes
truxillo-cocaine
wait_flags
warlag
water-content indicator
Western Samoa
windowy