生态变异

Mummies Contain Clues to Colon Cancer 木乃伊包含了结肠癌的线索 From VOA Learning English, this is the Health and Lifestyle report. Colon cancer is linked with obesity, lack of exercise, and a poor diet high in processed foods. However, sc

发表于:2018-12-16 / 阅读(148) / 评论(0) 分类 2016年VOA慢速英语(三)月

Italian environmental officials are warning of an ecological disaster in Italy caused by an oil spill flowing down the Po River. They say water and bird species are at risk, as well as a fertile agricultural area. The say the oill spill has already c

发表于:2018-12-16 / 阅读(153) / 评论(0) 分类 VOA标准英语2010年(二月)

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(196) / 评论(0) 分类 TED演讲国际问题篇

In an effort to protect the ecological environment along the Yangtze River, officials in Hubei's capital Wuhan have taken a series of measures to regulate the wharves along shore. CRI's reporter Huang Yue has more. In late December, the average low i

发表于:2018-12-24 / 阅读(164) / 评论(0) 分类 2018CRI中国国际广播电台

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(177) / 评论(0) 分类 Scientific American(五)月

人的一生中,将近三分之一的时间是用于睡觉的。刚出生的婴儿几乎每天要睡20个小时;即使成年后,每夭至少要睡 6~7小时。 不管睡眠时间长短如何,睡觉看来是人必不可少的行为。这一点

发表于:2018-12-27 / 阅读(196) / 评论(0) 分类 英语听力广播—Listening

Broadcast: Mar 21, 2003 Britain's military chief says coalition forces have seized Iraq's key southern oil facilities, apparently averting what could have been a major ecological disaster. British mil

发表于:2019-01-03 / 阅读(228) / 评论(0) 分类 VOA2003(上)-科技先知

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(210) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-Second Science, I'm Cynthia Graber. This'll just take a minute. If evolution weeds out detrimental traits, why do some seem to stick around? Well what's bad in our current environment may have been good in the conditi

发表于:2019-01-08 / 阅读(215) / 评论(0) 分类 Scientific American(六)月

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(253) / 评论(0) 分类 英语新闻

SCIENCE IN THE NEWS - Museum Aims to Keep African Archeological Treasures in Africa Also: A vaccine against meningitis proves successful in Uganda. And a study suggests genetic reasons for living longer. Transcript of radio broadcast: 12 May 2008 VO

发表于:2019-01-11 / 阅读(173) / 评论(0) 分类 VOA慢速英语2008年(五)月

A report by a number of leading conservation groups warns that unless prompt corrective measures are taken, the planet is heading toward an ecological credit crunch. For VOA, Tom Rivers reports from London. Cover of the Living Planet Report The repo

发表于:2019-01-13 / 阅读(201) / 评论(0) 分类 VOA标准英语2008年(十月)

Ecological Footprint Africas ecological footprint is getting bigger. The continents growing population is placing greater demand on its natural resources. A new report calls on African nations to adopt a more sustainable approach to development to en

发表于:2019-01-13 / 阅读(263) / 评论(0) 分类 VOA标准英语2012年(六月)

Environmentalists protest the Gulf of Mexico oil spill in front of the White House The oil spill in the Gulf of Mexico is turning into a major ecological disaster. But the political fallout from the spill and impact on the future of offshore drilling

发表于:2019-01-13 / 阅读(147) / 评论(0) 分类 VOA标准英语2010年(五)月

Sierra Leone is working to preserve the ecosystem of coastal mangrove swamps that are threatened by people collecting firewood and harvesting salt. Harvesting salt along the coast of West Africa is an age-old business. But today conservationists say

发表于:2019-01-13 / 阅读(162) / 评论(0) 分类 VOA标准英语2010年(三月)

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(232) / 评论(0) 分类 经济学人科技系列

Science and technology 科学技术 Cancer genetics 癌症遗传学 Gene therapy 基因疗法 Genetic mutations predict which cancers will respond to treatment 基因突变将预测某种治疗会对哪些癌症起作用 THE International Cancer Geno

发表于:2019-02-04 / 阅读(207) / 评论(0) 分类 经济学人科技系列

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(248) / 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(246) / 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(251) / 评论(0) 分类 人物杂志
学英语单词
Atlas cedar
be unacted on
bequerel rays
blade width ratio
Bluetool
Bong Range
Bruns theorem
butyrobetaine
C.A.F.
call sb names
carburet gas
cathode flame
charge collection time of semiconductor detector
cheek line
clip artist
comparison instrument
conveyor band
d'enfance
data binding agents
dependent region
desirers
destruction insurance
double-roll feed
EHT
einstein de haas effect
Elaphostrongylus
endurance-boosting
enrico carusoes
equal validity
erysimum arkansanums
Fosfonomycin
fraction composition
full race monitoring
galiquoid
gametophyll
gear lever handle
generator locking
Hemostrongylus
high-cuts
homostasis
hulaybah (hulaiba)
hyfrecation
impedance, characteristic
inspiredly
instantaneous reverse
jmcs
kateisallobar
kunii
labeling reader
law of (universal) gravitation
lecture
leucaena glaucas
Leukochthol
maleson
marathonitid
market competition
medicisterna
middlemass
mine-laying practice area
monoterminal
motor driven starter
net profit from operation
neuraths
nucleohyaloplasm
obertas
obiterdictum
osmolar
overflow box
panorpa deceptor
partial condeser
partition of chattels
pawn something off as
Podgórki
point Ptm
proceeding in personam
purse net
race screw
regenerative impediment
request for change
road-mixing machine test
schizophrenic disturbance
semi-membrane type cargo tank
shutter-blade arrester
solar-heated
speeding-up method
Sterkspruit
Sterling Heights
stockholders annual report
stralsunds
striped sea catfish
tanselle
theory of ion exchange in glass
tippiness
valence bond resonance method
venae gluteae superiores
vieirin
vitiates
Wanleweyn
wobble-plate engine
workstage
yenilmezs
your hour has come