甲苯;【艹+叻】;苯基[代]甲烷

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(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(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(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(137) / 评论(0) 分类 农业与发展

This is Scientific Americans 60-Second Science. Im Sophie Bushwick. Got a Minute? What's the best way to find out if an unknown mixture contains a specific substance, like an environmental contaminant? You could use an expensive, bulky gas chromatogr

发表于:2019-01-08 / 阅读(107) / 评论(0) 分类 Scientific American(八)月

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)

Indoor air pollution is a common threat to human health, the new study looked at five common house plants and found that when it comes to removing harmful chemicals from the air, those five plants are better than others. 室内空气污染对人类健康

发表于:2019-02-07 / 阅读(118) / 评论(0) 分类 阅读空间

本期内容: A humble houseplant with a dash of rabbit DNA could help lower our exposure to indoor air pollution, new research suggests. Scientists have revealed that by inserting a rabbit gene into devils ivy the plant is able to clean the surrou

发表于:2019-02-20 / 阅读(85) / 评论(0) 分类 夏说英语新闻晨读
学英语单词
acer tutcheri duthie
allowable current
Amott-Harrey relative displacement index
anteclise
anticipated conditions
antigenic variation
apostatising apostatize
apotomin
associated diagram
aviewed
baculitid
baker's oven
be taken ill
bifid penis
block-brake
blown fish oil
bottomry bond holder
BRDC
Brock punch
bumping mallet
bunjy
Cau Ke
centerless griding
cettis
Commercial Mortgage Backed Securities
constitutional reform
cousin-in-laws
crankshaft journal grinding machine
custome
desertest
diffusion of sound
DIN size
Duduza
educative purpose
enattendant
essentiate
filtered radar data
Fine feathers make fine birds
formation of bumps
galls
genthe
gimmie cap
gnasp
guide-bent test
gum formers
hands on hips
helium dating
hemophage
high fire risk
high specific speed
hipc
information of freight source
information retrieval technique
iron handle screw driver
Islas Malvinas
jobholders
Karkidanskoye Vdkh.
karyoclasis
keep chickens
Ldifde
least-favorite
letter perfect
leucinal
lichenivorous
Lontra, R.
love-letter
main fracture
management movement
mineral fuel oil
minifacial
mooches off
morakot
nonsna interconnect
NPCF
offshore platform
optical fiber cable terminal
overoptimisms
Parlam
pleyt
prestressed component
prurition
QXGA
rabbet plank
radio distance
re-accomplishment
regulatory egg
serrodyning
shielded motor
shunt generator
sockdolagers
sum check
superimpose
telegraph notch gear
third variation
touring route
truggs
turnerite (monazite)
underparts
vaccinal encephalitis
waryish
wind corrosion
Wolfring's gland