s-甲基-L-半胱氨酸

A woman came up to me and she held an 8 by 10 up toward I couldn't see the picture. And she said, oh my god, you Bryan Cranston. I said, yes. And she said, it would be so wonderful, if you could autograph this photo for me, for my daughter. Thats gre

发表于:2018-12-11 / 阅读(76) / 评论(0) 分类 访谈录2012年

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(60) / 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(106) / 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(105) / 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(61) / 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(136) / 评论(0) 分类 60秒科学

SCIENCE REPORT — March 7, 2002: Alzheimer’s Disease By Nancy Steinbach This is the VOA Special English Science Report. Medical researchers say a new study shows a link between the mental condition

发表于:2019-01-02 / 阅读(154) / 评论(0) 分类 科技之光

皮肤肿瘤 色素痣 pigmented nevus;PN 表皮痣 epidermal nevus 脂溢性角化病 seborrheic keratosis 先天性血管瘤 hemangioma congenitale 表皮囊肿 epidermoid cyst 粟丘疹 milia;miliu

发表于:2019-01-03 / 阅读(112) / 评论(0) 分类 医务英语

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(103) / 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(139) / 评论(0) 分类 农业与发展

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发表于:2019-01-10 / 阅读(210) / 评论(0) 分类 Heinemann海尼曼英语启蒙读物GK

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发表于:2019-01-10 / 阅读(202) / 评论(0) 分类 Heinemann海尼曼英语启蒙读物GK

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发表于:2019-01-10 / 阅读(214) / 评论(0) 分类 Heinemann海尼曼英语启蒙读物GK

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发表于:2019-01-10 / 阅读(204) / 评论(0) 分类 Heinemann海尼曼英语启蒙读物GK

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(113) / 评论(0) 分类 VOA2003(下)-环境与健康

5.常见手术名称 General Surgery 普外 appendectomy (appendicectomy) 阑尾切除术 cholecystectmy 胆囊切除术 cholecystostomy 胆囊造口术 drainage of the abscess 脓肿引流 enterostomy 肠造口术 exploratory laparotomy 开腹探查

发表于:2019-01-17 / 阅读(138) / 评论(0) 分类 英文语法词汇

The relative of the woodlouse is the size of dinner plate. And this so- called sea spider has legs that expand half a meter. Now it's explorer's own revealing other worlds that lie hidden beneath the ice on land. These smoking tars are the gateway to

发表于:2019-01-22 / 阅读(102) / 评论(0) 分类 自然百科2012年

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(137) / 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(92) / 评论(0) 分类 VOA常速英语2013年(十月)

BERLIN, Jan. 10 (Xinhua) -- German Olympic champion Jonas Reckermann said Thursday that he will retire from beach volleyball due to back problems. Reckermann announced his retirement on the website of the German Volleyball Federation decision is very

发表于:2019-02-07 / 阅读(237) / 评论(0) 分类 英语新闻
学英语单词
a.f.s (american foundryman's society)
accidental parasite
beveled edge
Bibliotheca Alexandrina
blind cylinder
boccis
Calamagrostis
carinal xylem
chase flying
cholera siderans
clamped column
Clayton gas
clinker-built boat
consignment profit
convictive
corner steel
Corylopsis sinensis
ddselect
deceptivity
delater
demographic data
descending letters
diemaking shop
disfellowshiping
divisional profit statement
door-to-door canvassing for sale
egg-carrying crab
epithecial cortex
Fairchild
fichus
focus of excitation
forfait-ing
freed up
frok end
front tipper
ganglionic system
Gau-Algesheim
hand rest
heavenly fires
heritable change
inaffectation
incomplete call
information uncertainty
intermediate wheel gear
IRI, I.R.I.
isohyetal map
issuer control key
Jameson scheme
judicial guarantee
kliper
Last Chance Undies
lineback
log-dec
magnetospheric ring current
make someone's acquaintance
man-rad
matiur
meridianal cell
national information network
nondefining
nondestructive read element
occupancy rates
oculogyric spasm
oralog
over-fish
parsys
PASVR
payroll records
penitis
personalities
Poivre Atoll
polkamania
Polyphagidae
practise as a lawyer
pressurized by elevated expansion tank
Prince Albert yew
projection center
pursable
put myself out
RBC-CA
regulator shaft jaw
reinsurance clause
rhusin
safety barrier
sanson-flamsteed projections
saqs
Sclerogibbidae
soapiness
staxtons
stepwise mutation
straddle
symbolic request
symmetric (al) twin
the simple present
Thorsmörk
towed load
tranny chaser
unconcurring
Union County
Ventselëvo
Waltham on the Wolds
weight-formal