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
acoustic reflection shell
adiposis dolorosa
adjustable pipe tongs
Al Hishah
all men are mortal
aloe veras
amido linkage
animal park
azinphos-ethyl
bearwald
bell towers
Berthelsdorf
brown tail moth
by status
Calagnaan I.
caustic soda concentration unit
chambersite
checks-and-balances
cleansing drum
coctoantiserum
Conestoga
consonous
crossply
cyclethrin
cymophanes
deeful
deferred freezing
depth calliper
depth of immersion
dismissions
double-label experiment
dual carriageway
electropolar kinetics
enterotropic
external modem interface
external-financing
eye-rim
fill area
filly
handling volume
hepatic duct stenosis
hollow-tile floor
housekeeping bit
how come?
in the belief
ISACC
iso-energetic
karunatilleke
Kurumoch
LCD HDTV
liquid oxygen
love heart
maintenantly
management analysis
mean quadratic error
measures and weight
melasyenogabbro
membranaceus
methogoes
micro electrostatically suspended gyro
microcytosis
molten salt convertor
mushroom millionaire
N-tion
near-beer
nephrapostasis
parathyroid hormone
pawn
Pelly Pt.
peppermint tests
perfect k-ary tree
photodeluxe
polygon rendering
protein efficiency ratio
Pull devil, pull baker!
puopulsion device
queuing system
recoil radiation
refunnelling
refuse dump
representative space
respiratory virus syncytial
Salmonoidei
self-closing link
single crystal X-ray diffractometer
sissela
skip block welding
sow tares among someone's wheat
spermophores
stencik
subcases
sultani
table of tank capacities
telnets
treater
trellis window
twilight arc(h)
two-stroke
unladen height
vardar r. (axios potamos)
wagelessness
wind speed and direction