对甲基苯甲酸甲酯

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(43) / 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(94) / 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(95) / 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(49) / 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(125) / 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(89) / 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(128) / 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(99) / 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(125) / 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(75) / 评论(0) 分类 VOA常速英语2013年(十月)
学英语单词
-itory
abounds
Acknowledgement.
angelic non-determinism
arsonic acid
audible cavitation
ball and roller bearing
Barkald
basic overlay
big bulge in price
Bogomile
bracing-tube
bromsulf(ophth)alein (BSP)
brothera leana(sull.)c.mull.
calvarian
Centre Point
Ciplamycetin
Clytocybe alba
common rush
configuring
corn liquors
cosmological constant
Cotton, John
counterstock
curmudgeonhood
cutted thread
cypripedium montanums
dady
dark-blue
dawn-and-dusk meridian plane
detonation temperature
dialthermia
diffuser pump
diffusiontrachea
doggiest
dorsolateral bulbar syndrome
electron(ic) microscope
entostromata
exact coproducts
flip charts
floruit date
forced circular movement
garambulla cactuss
gavaging
genus Dovyalis
get a ride
habituating
hattons
helping relationship
hijras
hot finishing mill
immiscibilities
infrared active molecule
intralinguistic
johnies
Khonj
Large Hadron Collider
linuss
luminaria
main drive gear bearing retainer
maximum permissible intake
microcomputer support
millet-grass
mind reading
monitor desk
multished loom
negress
Nizhnyaya Zolotitsa
ontogenetic theory
parent-investor
Parygino
ponerorchis takasago-montana
pore entrance
positional response of carbon microphone
pressure front
processed cheese spread
projective operator
propter
Psicosan
reig
route optimum design
sack of meat
sclerotogenous layer
sector interleave factor
Selmsdorf
sewer water
shutter mechanism
silver-staining
sitting room
skenes
solanoma
soothsayer
strontium secondary phosphate
subminiature capacitor
suitresses
sulphate formations
tea pot welcome spring
tie-dyer
unballetic
who he?
xanthogenic acid
zephyrhills