音标:[,mɛθɪl'bɛn'zin] ;
n. [有化] 甲苯(染料或火药的原料)

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(67) / 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(117) / 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(115) / 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(69) / 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(139) / 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(116) / 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(150) / 评论(0) 分类 农业与发展

This is Scientific Americans 60-Second Science. Im Sophie Bushwick. Got a Minute? What's the best way to find out if an unknown mixture contains a specific substance, like an environmental contaminant? You could use an expensive, bulky gas chromatogr

发表于:2019-01-08 / 阅读(127) / 评论(0) 分类 Scientific American(八)月

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(119) / 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(141) / 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(102) / 评论(0) 分类 VOA常速英语2013年(十月)

Indoor air pollution is a common threat to human health, the new study looked at five common house plants and found that when it comes to removing harmful chemicals from the air, those five plants are better than others. 室内空气污染对人类健康

发表于:2019-02-07 / 阅读(130) / 评论(0) 分类 阅读空间

本期内容: A humble houseplant with a dash of rabbit DNA could help lower our exposure to indoor air pollution, new research suggests. Scientists have revealed that by inserting a rabbit gene into devils ivy the plant is able to clean the surrou

发表于:2019-02-20 / 阅读(98) / 评论(0) 分类 夏说英语新闻晨读
学英语单词
a-strut
acephalocysts
achroia
adhesive treatment
aecidium elaeagni
all-parties
Allnortoxiferine
Amomum odontocarpum
Anostominae
approximate solution
asorbtive power
balanced lattice square
bodynets
Bounce-Up
butyl methyl sulfoxide
Calliopsis
capylus
carquest
circular-foil type
complete working cooperative society
couoxylon
coverage ratio
cresoform
dht (discrete hadanmard transform)
diammonium hydrogen phosphate
disharmonious habitat
draw-wind
dressing mirror
dual-effect mutant
Fiesole, Giovanni da
floozy, floozie
fluid culture
follow focus attachment
front fork
generalization of binomial theorem
getting to grips
glaze storm
gnomons
guanidiums
gyniatrics
Hersh
Hicks, Sir Joho Richard
horn arrester
ic araay
inertial frequency
infectio directa
jaw chuck
Kamudilo
kymberly
LBRF
love and marriage
magnetization reversal
maratta
mclees
medium-pace bowler
Meliosma rigida
microcalorimetry
mid-IR
minimarkets
Monilia
Mount McKinley
multipurpose test equipment
Nerlove's partial adjustment model
norelco
out of-step protection
palaeozoic stratum
Palm Beach County
parrot jaw
pass belief
percentage of direct transshipment
post-crime
poweroutput
preferential allotment
presbyteress
pressure coil
queerphobic
radiochromatogram
random access by record file address
redamnation
reflectographic
sensitive to heat
shotpin
show-ring
sound transparent rubber
sovietdom
st. charles pt.
storage disc
stroboscopic light
stuck to her last
tarok
tectonist
Telumodina
transaction risk
transversospinal muscle
travelers
W. & O.
wetewold
windiness
winter air conditioning
xanthian
Yuanren