[医] 甲烷, 沼气

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(52) / 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(101) / 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(99) / 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(54) / 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(131) / 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(98) / 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(134) / 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(105) / 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(132) / 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(84) / 评论(0) 分类 VOA常速英语2013年(十月)
学英语单词
act independently and with the initiative in one's own hands
action orientation
advice of circumstances preventing carriage
afflicters
algerian silk
aliphatic polyamide fibre
allegheny spurges
amount of growth
amzallags
atantic suite
beat down method
bevilacqua
bills of material
bit instruction
bleiler
capsulizations
ceeropia adenopus
ceip
coil curl
confectioners
culture-medium
emitai
farcements
field rocket
fin keels
finger-stall
forequarter
fully stressed design
geographic plot
grand maximum
Grundyists
heaf test
hendecynoic acid
high inverse voltage rectifier
hinger
hitteth
hydroquinine
infinite slab
investigation of individuality
labor saver
landing gear
lawerences
left gastroepiploic plexus
Malamud, Bernard
measurement mechanism
Monterotondo
Morteau
mortgage recording tax
mothas
mummy case
non-dividend-paying
North
occupational nystagmus
Oliva de Mérida
organistrum
p'aps
perigem
personal accident policy
petroff
plasticizer molecule
plate form gauge
postindustrialization
prediction function
pricosten
quelched
rabehl
Ramphastidae
report forms
restaurant-cars
road depreciation
rock-staff
rsuss
sand storage bin
security ID
short options contract
sidewall air supply
sikh
Sliač
solvable subalgebra
split-lens interference
sportsfests
standard communication protocol
standardized building
stephanitis subfasciata
stephanus johannes paulus krugers
stinking hellebore
subfamily Potoroinae
sympatheticomimetic
syrtis
tabulator
tervuren
to fool around
torsional endurance limit
type-o carcinotron
tzu
untoleranced dimension
untraceable cost
valleyward
vyses
warping movement
webifying
zululands