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(67) / 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(117) / 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(115) / 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(94) / 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(69) / 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(139) / 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(116) / 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(150) / 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(111) / 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(104) / 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(119) / 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(109) / 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(141) / 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(102) / 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(111) / 评论(0) 分类 留美老师带你每日说英文
学英语单词
actinochitin
agirwat hills
Albo, Mte.
aleatorism
Alferrarede
alpha block
amies
amyloprolamine
angle of maximum subsidence velocity
anthraflavone
astronomic geology
Avestan
bruv
buzz him in
calcium-aluminumsilicon alloys
chickenboner
chlamydial conjunctivitis
Chlorazinil
Cimicifuga acerina
constant-k network
correcting field
cosmeticss
courtesy name
cross-connected
de sitter
defocrsing
demonax
disc clutch
draught device
dumptor
dynamic microspeaker
egyptologies
erythro salt
foreign excitation
fort victoria (masvingo)
glycerophosphatides
Gottfried Wilhelm Leibniz
graphic file maintenance
Greggton
haematomas
half lethal concentration
haunse
Heat Cover
Helianthemum ordosicum
Highland wildcats
horismascope
Ijebu-Igbo
interactive action
internal data structure
International Regulation for Tonnage Measurement
isomic t
jahrling
jerrygibbsites
job-ticket
Katen
Khanh Van
Koshkinskiy Rayon
L-bomb
letterwise
lined valve
loss in octane number
Loxley, River
lymphogranulomata
man - to - man talk
marginal contribution
marginal propensity to save
Mayan pyramids
Mayo-Kébbi, Préfect.du
Menglapollis
nasitis
nickel geothermometer
nind
para-methoxypropenylbenzene
Parangi Aru
particle seepage
peace be with you
peacock-flower
petrolisthes haswelli
Platypoecilus
princess royal i.
quantum field theory
quenching time
ratio of similitude
reducing ferment
relationshit
retention index
retinitis nephritica
retracting motion
Samuel Smiles
screw-in type thermometer
sensyr
signance
squaddy
steady state distribution
synkinesias
Talidine
Thua Thien-Hue, Tinh
transient running
unhumified
unshaded
virus pneumoenteritis
weld defects