致突变微生物试验

Scientists Will Test New Drugs on Artificial Micro-Organs 科学家将在人工微型器官上测验新药物 Testing new drugs on lab animals is not the same as testing them on the species they are intended for. But in early stages of research, test

发表于:2018-12-08 / 阅读(151) / 评论(0) 分类 VOA标准英语2014年(四月)

STEVE INSKEEP, HOST: Some new parents have started giving their newborns what's being called a bacterial baptism. The idea is to try to help their babies develop healthy microbiomes, the collection of friendly bacteria that inhabit everyone's bodies.

发表于:2018-12-17 / 阅读(125) / 评论(0) 分类 2018年NPR美国国家公共电台10月

Even before scientists sort this out, this information is actually really good news for us, 即使科学家还尚未解决问题,这一好消息确实振奋人心, because it turns out that the way we live can influence the accumulation of amyloi

发表于:2018-12-18 / 阅读(129) / 评论(0) 分类 TED演讲国际问题篇

This Scientific Americans 60-Second Science. I am Karen Hopkin. This will just take a minute. They say that older folks benefit from spending time with young people. And thats not just an excuse to stick grandma at the kids table at Thanksgiving. Now

发表于:2018-12-24 / 阅读(128) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-Second Science, I'm Steve Mirsky. Got a minute? A strain of mutant mice groom compulsively till they seriously injure themselves. The condition is considered a good animal model for OCD, and its similar to the human d

发表于:2018-12-24 / 阅读(154) / 评论(0) 分类 Scientific American(五)月

By Melinda Smith Washington, DC 27 September 2006 watch Colon Cancer report Growth(s) discovered in a colon Colon cancer is one of the most common forms of cancer in the world. But with early detection, colon cancer is highly treatable. If you have

发表于:2019-01-06 / 阅读(166) / 评论(0) 分类 2006年VOA标准英语(九月)

This is scientific American's 60-Second Science, I'm Karen Hopkin, this'll just take a minute. If theres anything better than a fresh, ripe, tomato, its a gigantic fresh, ripe tomato. And thanks to a couple of mutations, thats exactly what we all enj

发表于:2019-01-08 / 阅读(157) / 评论(0) 分类 Scientific American(五)月

为了帮助大家更好的备考托福,小新为大家整理了托福口语考试解题步骤讲解,绝对的百试百灵~ Step1:STUDENTS SHOULD UNDERSTAND THE QUESTION FIRST 第一步:考生要先了解托福口语试题问的是什么 One

发表于:2019-01-08 / 阅读(115) / 评论(0) 分类 托福英语

Scientists have identified a unique genetic mutation in about 10 percent of people with type 2 diabetes(糖尿病) studied in the United States and Europe. The discovery could help some people learn if they are at risk of developing diabetes so they

发表于:2019-01-11 / 阅读(181) / 评论(0) 分类 英语新闻

New Test Could Find Cancer Earlier 新的测试可以发现早期癌症 From VOA Learning English, this is the Health Lifestyle report. Cancer is a leading cause of death around the world. When it comes to cancer, the sooner you know you have it, the

发表于:2019-01-12 / 阅读(336) / 评论(0) 分类 2016年VOA慢速英语(十一)月

Genetic Test Pinpoints Cause of Patient Illness About a decade ago, scientists decoded the human genome, creating a gene-by-gene map of our DNA. In the decade since, genetic research has accelerated, but mostly it's stayed in the laboratory. Now, gen

发表于:2019-01-14 / 阅读(145) / 评论(0) 分类 VOA标准英语2011年(六月)

This is scientific American 60 seconds science. I am, got a minute? Everywhere you go, the trillions of microbs is in you got go to. That is a compllicating sort, because according to a new study a more diverse population of testnal bacteria is links

发表于:2019-01-20 / 阅读(114) / 评论(0) 分类 Scientific American(九)月

Science and Technology The science of stuttering Speech therapy 科技 口吃科学 演讲疗法 Unravelling the mystery of faltering speech 解秘演讲时的口吃 DOWN the ages stuttering has been blamed on many things. 多年来,口吃可以归咎

发表于:2019-01-26 / 阅读(173) / 评论(0) 分类 经济学人科技系列

By Lisa Schlein Geneva 20 August 2007 Experts attending an international conference are calling for quick action to reduce the threat posed by biological weapons. Participants attending the week-long meeting at the United Nations in Geneva say the so

发表于:2019-01-31 / 阅读(137) / 评论(0) 分类 2007年VOA标准英语(八月)

俄罗斯莫斯科的一位生物能量学教授近日宣布,他已研制出一种能够有效延缓衰老的不老药,并有望于几年内上架销售。这位科学家用40年的时间研制出一种抗氧化剂,能够有效抑制氧分子对人

发表于:2019-02-06 / 阅读(187) / 评论(0) 分类 阅读空间

STEVE INSKEEP, HOST: Every year, more than 1 million children and adolescents sustain a concussion. The symptoms may vanish in days or last for months. And right now, doctors usually cannot predict how long the recovery will take. That could be chang

发表于:2019-02-13 / 阅读(184) / 评论(0) 分类 2017年NPR美国国家公共电台5月

But in western agriculture, the opposite is true. Unless the field is that left fallow every few years, the soil becomes exhausted. Every winter, fields are empty. 但是在西方的农作习惯中,情况刚好相反。每隔几年土地就得闲置一

发表于:2019-02-17 / 阅读(128) / 评论(0) 分类 异类:不一样的成功启示录

为何人类爱吃肉 对多数人类来说,肉的味道非常美妙。众多的美食中,为何我们对它情有独钟呢? It is no less remarkable for people today, even those of us whose tastes run more to sirloin. Because if you look at wh

发表于:2019-02-18 / 阅读(200) / 评论(0) 分类 阅读空间

Surviving Cancer Twice 两次战胜癌症 After overcoming ovarian and breast cancer, the actress opens up about getting healthy, returning to work and the health challenge she still faces 在克服了卵巢癌和乳腺癌之后,这位女演员开始

发表于:2019-02-21 / 阅读(189) / 评论(0) 分类 人物杂志

Who do you think your pet is? Learning from Your Dog's DNA 你认为你的宠物是谁?狗狗DNA中的发现 A simple cheek swab can reveal your dog's ancestry, provide insight into its health and even help explain its behavior 擦一下狗的脸就可

发表于:2019-02-21 / 阅读(190) / 评论(0) 分类 人物杂志
学英语单词
absorption frequency band
air avalanche
airiness
angolamyicn
ardith
atrium pulmonale
bahnung
balkind
beam propagation modeling
Bellard's formula
better than
brake system
brightness scale
Chem-Bam
citrons
cockalanes
coffee-and
compliant mechanism
computational seismology
conditional name
convertible bonds
cousin-aunts
cro - magnon man
Cullahill
Cyanase
dayhiker
delavaine
diclofenac sodium
dung beetles
effector cell
equal time point (etp)
error event
exophobic
flameless calcination
foil carrier
front sheet metal
Gaultheria griffithiana
Gelasius II
getting-off the rails
gladdens
gold sterilization policy
Griqualand West
high strength steel bar
hjelmslev
hopper planter
independent of
iuput process output
keazoglyph
liming tank
loses count
luce b.
manually-operated turning gear
Masbate I.
Mi Fu
micro-horizontal burette
Montepuez, R.
morn-star
myco-heterotrophic
nonmembers
notched tappet rod
numchuck
open-tube
optical add-drop module
organ whistle
overhead position of welding
palaeopallium
parachuted
Paxoi
peaceabler
PETCO2
PID
piston gauge with re-entrant cylinder column
pressas
protocol identifier
public advantages
racing shells
right-of-way survey
safety related bus
Saint Boniface
sarracenias
science of space-time
Sherman, James Schoolcraft
shewanella putrefaciens
short wave relay
sikakane
single roller crab
single-roller method
sources of system error
special reconnaissance
standard horn
stavola
stood on end
subschema description
swamp oak
syntax-oriented compiler
temperature-coefficient of electrical resistance
the falls
thyroepiglottideus
total absorption spectrometer
unpricked
vesicular ovarian follicle
whistle lanyard