音标:[,mɛθɪl'sɛljʊloz] ;
n. [有化] 甲基纤维素

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(46) / 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(96) / 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

Don: Time to go again to the A Moment of Science mailbag. Yal: A listener writes: Dear A Moment of Science, Scientists know that one day we'll run out of oil and other natural sources of energy. Beyond solar power and wind power and ethanol, what are

发表于:2018-12-27 / 阅读(78) / 评论(0) 分类 英语时差8,16

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(130) / 评论(0) 分类 农业与发展

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This'll just take a minute. It sounds like something out of a bad science fiction novel. During World War II, a fungus called Tricoderma reesei ate its way through US military unifo

发表于:2019-01-08 / 阅读(92) / 评论(0) 分类 Scientific American(五)月

Scientists in Brazil are turning fruit fibers into car parts. At a recent meeting of the American Chemical Society, the researchers described their work in making the next generation of automotive parts made from natural fibers from bananas, pineappl

发表于:2019-01-09 / 阅读(84) / 评论(0) 分类 VOA标准英语2011年(四月)

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(99) / 评论(0) 分类 VOA2003(下)-环境与健康

Turning Cigarette Butts to Batteries 烟头转变成电池 If you see a person carelessly throw a cigarette to the ground, what are you likely to think? That depends. If you hate people throwing things on the ground, you might think, That person shou

发表于:2019-01-12 / 阅读(92) / 评论(0) 分类 2014年VOA慢速英语(九)月

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(76) / 评论(0) 分类 VOA常速英语2013年(十月)

台湾籍旅美老师今天交给我们的句子是: It's not rocket science: Focus on lean protein, healthy fats and non-processed, unrefined carbohydrates such as vegetables, beans, whole grains and fruit. 这不难懂:多摄取低脂肉类、健

发表于:2019-02-22 / 阅读(85) / 评论(0) 分类 留美老师带你每日说英文
学英语单词
acetylshikonin
acoustic overstimulation
ad-dawr
adrenogenital
advanced software
Alenka
an-erthe
anterior shoulder dislocation
apartmental
babysitting agency
beachtent
bites down
Braunschweiger
burned down
cargo handling by gravity
casing pressure regulator
cefuroxime zinacef cefuroxime
channelm ricean fading
clairalience
class member
coefficient unit multiplier
commercial credits
connusant
corn meal water
diglucuronide
dislocated
down-swings
eddy current effect
empty load
energy limit
floor switch
fluoropolymer insulated cable
front mounted loader
gasoline filter
grammar-translation
heating-flame
heritability of certain characters
hessian-based bitumen sheeting
high-tension magneto
Hull Bay
hymne
hypnogenic zone
i-v
imitation manganese bronze
ingot casting
instruct
kopff
lacquering brass
leighninger
limiting conductivity
lowminded
maximum operating current
methane clathrates
monovision
multiple-stage washer
negative binomial
negative mineral
Nimbrinin
observation spillover
Odebolt
olive-tree agaric
operating holding company
outlet side
pacambocythere glabra
pelagic life
persistent form
powerlifter
process structure diagram
project final account
quotient semigroup
Qurayyah, Wādī
reflection points
registration databases
respiratory particle
rift-sawed plank
ring of light
rotary forced-air cooler
Rouse number
screwers
Skolithos_ ichnofacies
slobbies
snobbiest
soft hand-off
sssuspsesrs-s
standard-winged
steering surface
sterilitas
subjective approach formulation
supersonic lifting-line theory
synorogenic sediments
Tan Tru
taranabant
techinque
transformation temperature ranges
trommel roll
turnrounds
ustilago cynodontis
Valerianella
ventilating entry
voice-operated coder
water repellency
wave fronts