米吐尔

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(191) / 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(231) / 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(240) / 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(212) / 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(241) / 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(233) / 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(263) / 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(238) / 评论(0) 分类 VOA2003(下)-环境与健康

Protamine sulfate is a drug that reverses the anticoagulant effects of liver compounds such as heparin. Protamine is extracted from the sperm of salmon and other species of fish, and then made into a protamine sulfate injection which is a necessary d

发表于:2019-01-19 / 阅读(208) / 评论(0) 分类 世界各地新闻集锦

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(254) / 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(273) / 评论(0) 分类 VOA常速英语2013年(十月)

We keep pumping carbon dioxide into the atmosphere and the earth keeps warming. Climate scientists have predicted that the consequences of unchecked warming could result in everything from catastrophic flooding to larger and more deadly hurricanes. S

发表于:2019-02-23 / 阅读(211) / 评论(0) 分类 英语时差8,16

First off, I'll mention that at the bottom of the sea there exist veins of zinc, iron, silver, and gold whose mining would quite certainly be feasible. 首先,我对您说,海底有锌、铁、银、金等矿藏,开发并不是不可能的事。

发表于:2019-02-25 / 阅读(340) / 评论(0) 分类 《海底两万里》中英双语有声读物
学英语单词
a.j.s
accoucheurs
acid infraprotein
actual zero point
all-gear system
antherigona (acritochaeta) oryzae
apocholic acid
attrist
bleachest
broadside slipway
bromine solution
bulk bauxite ore-carrier
calibration pulse
capodistria
cartooned
centimetric emission
chemically processed soy sauce
Chlorambucilum
cognitive assessment system(cas)
color photography
conventionally-powered submarine
Coryphodontidae
coupel
crouchie
crush trauma
crypto-sexual
Dead Fish
Diaphene
differential-wound field
dorsal lingual veins
durions
ectodynamorphic soil
electrical contact controller
electrochemistries
EMEAI
entity-dependent relational schema
exstimulate
familiar to
fattal
financial constraint
fion
form entry
fourposters
gamma survey in borehole
gas-phase laser
gilds the lily
graphic technique
guidance navigation control system (gncs)
guilte
hask
height abnormaly
hetolin
i-bedde
interest on rediscount
interlocking relation
intortum clover
lean body mass
Lebesque integral
lichen physiology
lightning impulse protective level
Lukovac
Macronemeae
madraseh
marginal willingness
martos
Mauchline
Mounds View
multivalue logic
non yielding prop
non-standards
nursest
optical profilometer
orthodontal
overstuffed chairs
pallisers
pendular rotatory test
penicillin B
pentode noise figure
polyanth
program status
promonocyte
Redburn
rhus radicanss
RLO
roastbeef
Salmonella pullorum
sea going area
sea pike
shear legs
shitheaded
slasher blade
steel-blue
stratified language
temperature limit controller
tosteson
tourain
transfer trolley
uitrasound
unheroically
uphigh
visual basic runtime
wheel axis system