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(40) / 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(52) / 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(71) / 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(88) / 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(90) / 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(42) / 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(121) / 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(82) / 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(123) / 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(94) / 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(119) / 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(70) / 评论(0) 分类 VOA常速英语2013年(十月)
学英语单词
a poon
A tent
absorption water
actuarial table
Alasin
alicycle
amidrazone
apogranite
attribution model
autocatalysts
avian-flu
bastard fount
Beaconsfield
bench-drill
boat bearer
bolillos
bresaolas
Bupleurum longicaule
cage hydraulic press
carbide insert bit
Catcher in the Rye
centimoes
channel decoder
comma construction
contact reliability inspection
cotton-enamel covered wire
course
Critesion
crystal tea
decontraction
demolition of property
Deuteronomic, Deuteronomical
deviation of borehole
DIIC
distance of relative movement
distesol
dividend payout ration
duquesnel
equivalent bar
error status register
family Rhinolophidae
gang seeder
general recursive predicate
geographic proximity
gridpoints
GVE
have a peep ab sb
have something on one's shoulders
hereditary predisposition
HF-24
high pressure turbine bypass
hobnail
icker
ignition residue
intermediate preference targets
irenina malloticola
Kannose-gawa
lameller tearing
leave one's card upon someone
left-click
level of organization
library member
man of quality
mangadom
mesomeric theory
miniaturizes
moneymaking
moral duty
moving speed of table
noise level
north land (severnaya zemlya)
Orroroo
outdoor motor
ovonic threshold switch
partial solid solution
partner's capiatl
perissus asperatus
personal computing conference
photoelectric photometer
pillar shaping machine
placentotrophy
Planchonella obovata
plex structure
primary safety valve for inner container
project production
rekles
sample pulse phase
Shentoo's line
sinaed
spring for air pump
stewed
suck-boy
takehome
thermal decomposition method
transmission standards
ultrasonic test method
UNRPR
UVPROM
uvular diastematia
walkback
weirty
workcentre