安氟醚

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(85) / 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(133) / 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(133) / 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(88) / 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(157) / 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(138) / 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(168) / 评论(0) 分类 农业与发展

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(137) / 评论(0) 分类 VOA2003(下)-环境与健康

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(162) / 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(128) / 评论(0) 分类 VOA常速英语2013年(十月)

The Amazing Secret Behind All Habits 21 days for a habit to sink in Habits must have positive reinforcement You must go cold turkey for a real habit to sink in Have you ever heard these myths about habits? They may not be necessarily wrong, but they

发表于:2019-02-07 / 阅读(193) / 评论(0) 分类 阅读空间

Hey baby how was your day? Mine has been a little too messy I've been stressing like crazy No time to even put on my make-up But I heart it in your voice You're sounding kind of disappointed It's not only you who is feeling alone Cause I miss you too

发表于:2019-02-12 / 阅读(120) / 评论(0) 分类 节奏布鲁斯

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发表于:2019-02-13 / 阅读(97) / 评论(0) 分类 名人认知系列 Who Was

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发表于:2019-02-13 / 阅读(119) / 评论(0) 分类 名人认知系列 Who Was

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发表于:2019-02-21 / 阅读(117) / 评论(0) 分类 名人认知系列 Who Was

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发表于:2019-02-21 / 阅读(107) / 评论(0) 分类 名人认知系列 Who Was

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发表于:2019-02-21 / 阅读(112) / 评论(0) 分类 名人认知系列 Who Was

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发表于:2019-02-21 / 阅读(123) / 评论(0) 分类 名人认知系列 Who Was
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