6-甲巯嘌呤

A: What am I supposed to do with this plastic cup? B: That cup is for a urine sample. A: How, exactly, does this work? B: This particular test calls for you to urinate into the cup after you have urinated a little into the toilet. A: When I finish, w

发表于:2018-12-02 / 阅读(104) / 评论(0) 分类 英语情景对话-健康

A: Why are you handing me a plastic cup? B: Your doctor wants to test your urine and needs a sample. A: How am I supposed to do that? B: We need you to urinate like you normally would, and then stop and finish into the cup. A: What am I supposed to d

发表于:2018-12-02 / 阅读(108) / 评论(0) 分类 英语情景对话-健康

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(51) / 评论(0) 分类 2016年VOA慢速英语(十)月

Superhero Thwarts Evil Nazi Plot in 'Captain America: The First Avenger' Acomic book super hero whose exploits began in the 1940's is back as one of this year's big action movies. Here's a look at Captain America: The First Avenger. General Patton ha

发表于:2018-12-16 / 阅读(55) / 评论(0) 分类 VOA标准英语2011年(八月)

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(99) / 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(98) / 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(53) / 评论(0) 分类 初学者听力文摘精选

说一口流利的英语,从简单的单词开始。 听听,读读,背背,今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 cap [ kAp ] It's better to put the cap

发表于:2018-12-30 / 阅读(95) / 评论(0) 分类 每日攻克5词

说一口流利的英语,从简单的单词开始。 听听,读读,背背,今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 cap [ kAp ] Clouds capped the woods. v

发表于:2018-12-30 / 阅读(248) / 评论(0) 分类 每日攻克5词

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(130) / 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(95) / 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(133) / 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(101) / 评论(0) 分类 VOA2003(下)-环境与健康

Scientists in Australia are developing a thinking cap that could unlock our hidden genius, by switching on and off certain sections of the brain. Researchers at the University of Sydney think their experiments show that we all have hidden creative t

发表于:2019-01-13 / 阅读(132) / 评论(0) 分类 VOA标准英语2008年(十月)

RACHEL MARTIN, HOST: We now have the story of a really large medical bill. It's a surprisingly common sort of charge, which is why we're examining it. Steve Inskeep spoke with Dr. Elisabeth Rosenthal of Kaiser Health News about the story of a $17,000

发表于:2019-01-16 / 阅读(86) / 评论(0) 分类 2018年NPR美国国家公共电台2月

Before you next flush the toilet, consider this: Scientists in Singapore have developed battery powered by(用…推动的) urine(尿). 下次冲厕所之前,请不要忘记下面的介绍:新

发表于:2019-01-20 / 阅读(171) / 评论(0) 分类 阅读空间

The speaker was addressing a roomful of teachers. He said, 'Thinking' and 'thinking critically' aren't the same. For example, if you're thinking about what day it is, that's not thinking critically. He instantly heard some murmuring. A teacher said,

发表于:2019-01-22 / 阅读(83) / 评论(0) 分类 英文短篇故事(纽约)

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(129) / 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(81) / 评论(0) 分类 VOA常速英语2013年(十月)

LONDON, Nov. 14 (Xinhua) -- Liverpool's teenager winger Raheem Sterling is set to make his debut for England while his club teammate and captain Steven Gerrard is expected to earn the 100th cap in England's friendly against Sweden in Stockholm on Wed

发表于:2019-02-18 / 阅读(113) / 评论(0) 分类 英语新闻
学英语单词
'this
aioc
aircraft manufacture
amyl laurate
Android vs. iPhone
Bherābāri
breeder
Castropol
chase leaks
colour conversion filter
condors
contilever platform
control head select
copaene
declarative markup language
derelict in
double dichotomy
driving angle
dudley stuart john moores
epsilon granules
etnas
extrinsic forecast
fast infector
floating ring drive
Friedrich August Wolf
Fussa
gas-free certificate
general service word
generous soil
Gochang
guizhouense
halebopp
high-lift airfoil
hosford
hot dip metal coating
Hulilan
inexact concepts
Inron briquette
Israelson's tests
laser excitation
liberatress
lithian muscovite
low order digit
lyde
magneto-resistance (mr)
Manglietia insignis
mature timber
Mawnan
medical optics
meno-pause
Microbromite
Microsoft Foundation Classes
mirandina cylindrospora
Mosley, Oswald
muscular sensation
nifurimide
notco
Nyssaceae
oil in water emulsion mud
once-innocent
oneeighth
osteitis albuminosa
out-of-the-way
pittori
plebians
preconditioning time
primary sex cord
quench cooler
radiothermitis
regular intervals
relative voltage level
response ratio of excitation system
riboflavin-5'-monosulfate
rikels
roller section-straightening machine
SCM-1
scnizoid type
seal with double-cone
shop activity control totals
single-pass weld
smooth-core generator
snow-like
sophocle
stark exposure
static electromotive force
strapless bra
swoople
telegram in plain language
Timiskaming, L.
tolerance flux
total flooding extinguishing system
toxicology
tractioning
Tyrian purple
ulnocarpal
underaid
uretero
ventilating trunk
Weichselbaum's diplococcus
Weidel reaction
wood shot
work-caused disability