[农学] 芽变选择

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(150) / 评论(0) 分类 2016年VOA慢速英语(三)月

美国习惯用语第842:将一件事物消灭在萌芽状态(音频) nip something in the bud 我们办公室新来了个制片助理。这个女孩子刚走出大学校园,带着浓厚的工作热情,而且很有创意。美中不足的是,喜欢

发表于:2018-12-16 / 阅读(366) / 评论(0) 分类 美国习惯用语

On Mondays we bring you our series: This I Believe. For thirty years, Catherine Royce of Dore Chester Massachusetts was a dancer. 3 years ago at the age of 55, she was diagnosed with ALS, Lou Gehrig's disease. She has developed her belief as she has

发表于:2018-12-17 / 阅读(254) / 评论(0) 分类 2006年NPR美国国家公共电台

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(198) / 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(178) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? Time to bring back the Office of Technology Assessment. The OTA was created in 1972 to provide Congress with an objective analysis of complex scientific and technologi

发表于:2018-12-24 / 阅读(186) / 评论(0) 分类 Scientific American(二)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

欣赏独具创意的英语广告!边听边看边学,品味世界名牌的风范,从细微之处感受英美社会的文化。

发表于:2019-01-05 / 阅读(182) / 评论(0) 分类 广告大餐

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(211) / 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(216) / 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(255) / 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(176) / 评论(0) 分类 VOA慢速英语2008年(五)月

When Is a Choice Not Really a Choice 选择 Now, the VOA Special English program WORDS AND THEIR STORIES. 现在是美国之音慢速英语词汇掌故节目。 Making choices is necessary, but not always easy. Many of our expressions tell about this

发表于:2019-01-12 / 阅读(268) / 评论(0) 分类 2014年VOA慢速英语(一)月

[00:01]M:We have to nip Smiert Spionom in the bud. Pushkin should be in Tangier in two days' time. [00:08]A termination warrant has been issued for him. [00:11]J:This plot to kill agents sound rather far fetched, sir. I know General Pushkin. [00:

发表于:2019-01-14 / 阅读(203) / 评论(0) 分类 英美人天天都在说的4000句:跟着影视学最真实的口语

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

Be Happy! The days that make us happy make us wise.----John Masefield when I first read this line by Englands Poet Laureate, it startled me. What did Masefield mean? Without thinking about it much, I had always assumed that the opposite was true. But

发表于:2019-01-30 / 阅读(283) / 评论(0) 分类 精美英文欣赏

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(251) / 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(247) / 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(252) / 评论(0) 分类 人物杂志
学英语单词
Achnatherum psilantherum
allagash
ambient air level
apishapa r.
arthrological
audience inhibition
autumnal circulation
auxiliary electric drive
ballotist
benacci
buffer disc
Cabuyaro
can cover marker
caught red-handed
chapeirao
circumstantiator
comprehensive balance of power and energy
coteaus
cri-de-coeur
defog
delay tracker
diarsenic
diiodohydroxyquinoline
dumb brace
during the year
earthenwares
Eimeria stiedae
eleutherotepalous
end of period statements
Eucalamites
fatherships
fight for life
fishing licenses
flapcakes
fool-hasty
fore and aft leveling
genus Mustela
gigatonne
haematolite (hematolite)
Haudiomont
helper T cell
indexed I/O
insonder
instantaneous weight
integrated circuit mixer
knightbridges
lefse
Lemascorb
Mancera de Arriba
MNO
modified Bessel function of the first kind
molecular fluorescence analysis
mortifieth
most-favored-nation treatment
narins
natroniobite
Neoshirakia japonica
non-self-erecting tower crane
observable variable
percent of syllabic articulation
personing
piston-pin bush
plessinger
plieth
portable screening plant
posterior chamber
proone
quick break tester
regulator enzyme
remote-data station
rhinocerotids
rotating phasor
rough surfaced endoplasmic reticulum
sales knowledge
screen cleaner
selenocyanato
shadow-nucleus
single star and multistars navigation
sort programs
source deck
stalactitic
star checks
statically determinate problem
statutory reserve
substrate concentration
symphystemonous
Syncalathium qinghaiense
tank band fastener
tea bar
the survival of the fittest
thenne
thin-shelled egg
Thymelaeceae
Time of delivery.
time-optimal problem
top filling
tramonti
vapor phase epitaxy
wirsung's duct (or pancreatic duct)
yellow insulation oil silk tape