2-甲庚烷

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(53) / 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(103) / 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(100) / 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(56) / 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(132) / 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(100) / 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(137) / 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(106) / 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(135) / 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(85) / 评论(0) 分类 VOA常速英语2013年(十月)
学英语单词
acquaint with the market conditions
add up error
anatomicals
andys
aquatintists
battles of poitiers
bectus
black-marketeerings
bleed hole
BNL injector linac
camera range
cargo war cancellation
carvill
caseworking
Catalina coupon
chest cavities
cholesteryl ester
circumincessions
closure plan of ice wall
clump weight
cone roof tank
converted length of a locomotive
coproprietor
corrected offsets
decorative art
deskbound
draw for prize
duty allowance
electrochemical oscillation
erect spin
eupatolide
external leading
foliated
fracker
frequency magnitude coefficient
galerna
Ghaswānī
glass fiber reinforced polypropylene
Great Russia
guttierez
hereditary spinabifida
hiromurex winckworthi
hope to hell
idioted
increasing benefit loop
katunda
legis.
lithe
lobite tuberculosis
lump sinter
mail programs
makeshift device
male contact
market adminstration
master-die
methyl valerate
microcomputer types
moment change detect (mcd)
mussa
n'test
named place of destination
negativized
Nobedorm
obstruents
oxyacetylene flame
pathogens
pelletised
positive ion deterioration
punk rocker
quadricyclanes
qualitative safety goal
quinquesyllables
rated maximum pressure
RF receiver
Rhododendron dendrocharis
rohtang
roll sweep
romper rooms
saponule
scotosis
screening trommel
sensitizing
ship control and interception station
ship-breaking
simulated flame out
sir jacob epsteins
slablike
slit width
sound refraction
spiny sow thistle
St-Josse
steam chests
stood in the way of
stoog
three-phase wattmeter
tickbird
too much freedom
tsavo
useful length of screw thread
velocity sensitive transducer
window counter
wire stretcher