甲基半乳糖

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(41) / 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(89) / 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(92) / 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(45) / 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(123) / 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(87) / 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(126) / 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(96) / 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(122) / 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(73) / 评论(0) 分类 VOA常速英语2013年(十月)
学英语单词
a mother
al hufayrah
angle at the center
animability
Anitares Bank
apical side
application package
articular bone
atmospheric depth
atractides kasamaensis
automatic weighing device
be on the strength
beach ridge(fulls)
Benacon
bernhardi
bullat-a-gate
central government budget
clean-bred
comprehensive crime insurance
consequentialists
corresponding pressure
cryoground
curtain box of window
cutdown buffing
deprivations
ditty bag
division into annual coupes
dynamic stochastic general equilibrium (dsge) model
efficiency lf illumination
electro-codeposition
Emmelsbüll-Horsbüll
financial responsibilities
finnocks
first stage annealing
focus out
free fall grab
general session
granite-gneiss
gravadlax
guide tube ball valve
gutch
hollow keel
horse's asses
impulsive speech
intolerant tree forest
Kigach
learning laboratory
lincroft
line separation
live in each other's pockets
lomilomis
lookup table
LRLTRAN
machinery repair tool
magnetic wall thickness gauge
maximal inspiratory flow-volume curve
methyl hydroxybenzene
microdrosophila (microdrosphila) cristata
modha
muscular levator arcus palatini
natural soil road
necic acids
neighbour average filtering
new technical break through
Orangeman's Day
Osara
person non compotes mentis
preformed sintered liner
propositional attitude
radiographic screen
reversible shock
RIMS
RMIN
rolling skin
run-off-road
sahaba
Salian Dynasty
scale of longitude
self-destroy
side - cut (distillate)
SM'2
STDWT
steel concrete
subcutaneous lymph-sac
submarine's awash proceeding state
suicidal death
sulloway
Supermalloy
symetron
syncolin
taizu
teledip gauge
tergiversator
Thaumiers
tracheo-bronchoscopy
tumbling mill
unbizarre
v-g diagram
virtues
wind-surfings
xga
zeromark