2-甲-1-戊烯

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(113) / 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(164) / 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(170) / 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(140) / 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(185) / 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(172) / 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(201) / 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(169) / 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(190) / 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(186) / 评论(0) 分类 VOA常速英语2013年(十月)
学英语单词
activity-oriented language
afrobeat
Anama, Ozero
ante-metallic
Aubignan
bartoanglesite
bavardage
Bichvinta
birdy
bottle cast
buccal shelf area
cash-and-carry wholesaler
cell substitution
checkrowing device
chronic tonsillitis
common line
core flooding train
costikyan
crack resisting calculation
cresorcyl
cuprous arsenide
desus
devic
diverging mirror
dreger
duplex operation
early magmatic segregation
electronic countermeasures aerial
eshowe
expansive stochastic language
factum
fat generation
febrile transfusion reaction
forward aeromedical evacuation
fresnal directional screen
friction reduction
full-throttles
genus andryalas
geoffroyine
gibben plain
giganticus
glycocylase
Goliath birdeater
guyzard
hall of light industrial products
Handsacre
homogeneous Markov process
hover-taxis
ice wind tunnel
in-line stripe tube
inter fund and intra government transaction
jacket collar
Jones circuit
keyence
kick sb out
lace-curtain effect
leader training
long run frequency
longitudinal gustiness
meteorologic parameter
nerve entrapment
noise burst
noun clauses
nuclear composition
out-rail
out-sharpen
papyrographing
peace-keeping force
pharmaceutical industry
Poullaouen
pseudogastrula
public order act
puppadom
pyramid of the first order
rabus
radiodontal
range survey
returnee
roehm
ronit
rotary manometer
rubber fastening band
schusslers
self-excited motor
shallow water equations
static electron optics
static separator
subvectors
suerweier refrigerator
sulphataras
thermodynamic propulsion system
three reading
topological characteristic
track meet
transposers
traumatic psychosis
trippily
turkey call
valmir
vireton
wind-shield
zygapophsis