甲基丙酮

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(306) / 评论(0) 分类 2016年VOA慢速英语(十)月

Simple New Test Detects Early Signs of Diabetes 新型简单测试或能检测出糖尿病早期迹象 People with Type 1 diabetes, usually diagnosed in children and young adults, must take insulin injections and watch their diet to keep their blood

发表于:2018-12-16 / 阅读(225) / 评论(0) 分类 VOA标准英语2015年(一月)

Air pollution outside is easy to spot, hanging over the city, or sputtering from a tailpipe. But there's lot of indoor air pollution, too, even if it's not as obvious. It's caused by volatile organic compounds, or VOCs. They can come from building ma

发表于:2018-12-24 / 阅读(319) / 评论(0) 分类 2016年Scientific American(八)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(360) / 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(356) / 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(316) / 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(337) / 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(370) / 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(383) / 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(365) / 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(391) / 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(413) / 评论(0) 分类 VOA常速英语2013年(十月)
学英语单词
Abrahamist
accommodation stairway
adulteration acts
advance from
agendize
AHELO
apartheidization
aphakial
bale block
ball and chain
bank examiner
Basildon
bean-caper family
boatmanage
brinckerhoff
budgeteer, budgeter
cadmium pyrophosphate
character adjustment
computerized hyphenation
coronal zone
corporally
cyathophorella hookerianum
deaccelerate
dial conference
Dwar.
eccentric loading
effectivity change
el-nabawy
exhaust duration
Fadormir
ficus pedunculosa mearnsii
flexible ideal format for information
fresh water eel
friction-twist draw-texturing machine
gas register
gnotobiota
Goddy
goofier
grid controlled kinescope
guestimating
hand sander reach rod
harambees
hard-sided kernel
hexadecyltrimethylammonium chloride
homologous synapomorphy
huaju
infimums
interhalogen-halogenoid compound
karush-kuhn-tucker multipliers
Kawaihoa
Korchino
loganoside
malthoid
microprocessor compiler
militarising
minovlar
Moen I.
mosques
optimum factor
ortrud
overvoltage of exciter rotor winding
pan-head
phoebe kwangsiensis h. liou
point of symmetry
powerleap
pre-solution
processing of earth-rock material
quantimeter
rapid flow technique
Raunds
rearmounted offset swather
reduction thickening
retained tag
room heater
sapromyza (sapromyza) zebra
saving power
secondary sun gear
self-excitation phenomena
selling up
Sernur
shabbaron
sheveks
sodium hydrate
solow residual
spear fishing
stack memory
support cost
tabacco-alkaloid
terravision
theoretical steam consumption
towing plate
treasury of merits
tumor cell embolus
tunicks
underwriting brokers
verjus
water ballast tank
weakly inaccessible cardinal
white-flour
wind the penny
yenerite
zuccaro