二苯溴甲烷, 溴化二甲苯

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(97) / 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(148) / 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(149) / 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(108) / 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(168) / 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(151) / 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(187) / 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(151) / 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(174) / 评论(0) 分类 经济学人科技系列

AGRICULTURE REPORT - Cover Crops By Mario Ritter Broadcast: Tuesday, March 23, 2004 This is Steve Ember with the VOA Special English Agriculture Report. The idea to grow a crop that improves the land

发表于:2019-01-30 / 阅读(155) / 评论(0) 分类 农业与发展

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(157) / 评论(0) 分类 VOA常速英语2013年(十月)
学英语单词
1-chloro-2-iodoethane
a sense of proportion
accessory thymic tissue
acrogenospora sphaerocephala
aligning capacitor
anchoring structure
antiphytotoxin
antiskyrmion
application client
application for stay of execution of decision
asymmetrical laccolith
beet monogerm
bigged
biolinguistic
Bodoco
Branch-breakage
branchnets
bromacetone
certification of retirement of ship master
cherkassy (cherkasy)
chute boat
ci-
Close-air
cocitation
coefficient of quartile deviation
cryophobia
curved spring bar
cuspless tooth
decay-radiation dose
distribution of grain
Document Statistice
dorji
drying system
dummy load
editing cubicle
engine driven knapsack duster
evolutionary theories of law
Fatsia. papyrifera
file transfer operation
filix extract
final control
Ftalazol
fully inverted file
fusee signal
graph theoretic approach
histomorphometry
homomorphosm
irish-americans
is likely to
Ishtar Gate
Joselito
Kasumbalesa
key-operateds
lacto-ovo
latex non-woven
lead computer operator
lead silver ore
lengh
lurks
Lysimachia clethroides
Manitoban
Markovian variable
Maugham, Robin
mechanical color television
merchandise on approval
metal jacket
methylsulfinimidoyl
micronystagmus
mid-frequency of octave band
misyield
munir
nickel ammonium sulfate
Nicolaia elatior
no risk after discharge
office technology
parallelepiped reactor
pear tree
pepe vice
photo-coagulation
Piddingtonite
plantar flexion
played off
post apostolic
pukekohes
regional network for research
rheumatic neuritis
segmentalis arteria
soldierdom
stearidonic acid
steel-cored aluminium strand wire
stoppage of business
Sukela
surge-protect switch
swarf-penny
tailstock spindle
tarotist
Tverskava Oblast'
UHF mobile transceiver
velocity shock response spectrum
Woleu
wrinkle laminar flame