音标:[ˈveəri:ənts] ;
n. 变体( variant的复数形式 ); 变种; 变型; (词等的)变体
n. an event that departs from expectations
n. (biology) a group of organisms within a species that differ in trivial ways from similar groups
n. a variable quantity that is random

Anyone who has vacationed in the higher elevations of Colorado, such as Vail and Estes Park, will tell you altitude sickness can be a real problem. Loss of appetite, nausea, vomiting, weakness, dizziness, and difficulty sleeping can plague those visi

发表于:2018-12-18 / 阅读(123) / 评论(0) 分类 2018年NPR美国国家公共电台2月

This is Scientific Americans 60-Second Science, Im Karen Hopkin. This will take a minute. For those of you who love a tall tale, the list of genetic variations that determine human height has just experienced a growth spurt. The findings were publish

发表于:2018-12-24 / 阅读(111) / 评论(0) 分类 Scientific American(九)月

You cant judge a book by its cover. But you can judge a dog by its coat. You can even read right through to its genes. Because a study in the August 27th online issue of Science shows that just three key genes govern the length and texture of dog fur

发表于:2018-12-24 / 阅读(134) / 评论(0) 分类 Scientific American(八)月

The Bird Flu Recently , the news has been filled with reports of the “bird flu.” Asia is on a region-wide health alert, with governments slaughtering millions of chickens to contain 1 outbreaks

发表于:2018-12-30 / 阅读(189) / 评论(0) 分类 英语沙龙2004全年合辑上

为新猫咪做准备 Take a good, hard look around your house. You might think that there is nothing dangerous for Kitty to go sticking her nose into, but you would be wrong. Everyone knows that cats are instinctually curious. Places humans overlook

发表于:2019-01-03 / 阅读(152) / 评论(0) 分类 实用英语

A research team led by Professor Ye Kai from Xi'an Jiaotong University has detected the existence of dark matter in human genomes, including novel forms of complex variants that have never been observed before, Xi'an Daily reported on Oct. 10. 据《西

发表于:2019-01-03 / 阅读(109) / 评论(0) 分类 实用英语

This is Scientific American 60 science, I am Charles Q. Choi! Psoriasis is an autoimmune diseasethe immune system mistakenly attacks its own body, causing red, itchy, scaly patches on the skin. But there may be a hidden upside. People with psoriasis

发表于:2019-01-08 / 阅读(144) / 评论(0) 分类 Scientific American(三)月

It's no secret that good genes can explain why some people age well. But researchers said last Thursday they have identified a specific gene variant that can make people look about two years older than their actual age. 众所周知,有些人看起来

发表于:2019-01-08 / 阅读(122) / 评论(0) 分类 实用英语

Scientists Creating New Devices to Battle Diabetes 科学家发明新型对抗糖尿病装置 In general, people around the world are eating better and living longer, but they are also moving less. This is contributing to the rise of diabetes, a cond

发表于:2019-01-14 / 阅读(203) / 评论(0) 分类 VOA标准英语2016年(四月)

Scientists say they have made a leap in knowing why some people retain their youthful looks while others age badly. 科学家称他们已经在探究为什么有的人青春长驻而另一些人逐年老去这一问题上取得突破性进展。 They

发表于:2019-02-01 / 阅读(108) / 评论(0) 分类 阅读空间

British English may have come first, but around the world, the American way of spelling is now far more popular. 英式英语出现的较早,但从全球看,现今美式英语的拼写方式却更受欢迎。 A recent examination of these two var

发表于:2019-02-02 / 阅读(119) / 评论(0) 分类 英语新闻

克里姆林宫决定斯诺登的未来 MOSCOW, June 30 (Xinhua) -- As Edward Snowden has been perching at an international airport of Moscow for a week, Kremlin said Sunday the former CIA contractor's future was not yet on its agenda. The President

发表于:2019-02-06 / 阅读(116) / 评论(0) 分类 英语新闻

A new report has revealed that Apple plans to launch three handsets this year - two will be updates of the iPhone 7 family and the third is the 10th-anniversary handset -- iPhone 8. 一份最新报告显示,苹果公司计划今年推出3部手机-

发表于:2019-02-07 / 阅读(100) / 评论(0) 分类 英语新闻

A shortage of genes could be to blame for the lack of height in short people, researchers have found. Two studies involving 12,000 people has been carried out in America and found a link between the amount of missing genetic material and a decrease i

发表于:2019-02-13 / 阅读(126) / 评论(0) 分类 阅读空间

WASHINGTON, March 15 (Xinhua) -- Mothers who are overweight or obese during pregnancy are more likely to give birth to bigger babies, new research suggested Tuesday. The study, published in the Journal of the American Medical Association, also found

发表于:2019-02-16 / 阅读(113) / 评论(0) 分类 英语新闻

Transporter of delight 传递快乐的使者 Happiness is in your DNA; and different races may have different propensities for it 基因决定幸福;而不同种族的幸福倾向不尽相同 Born smiling? 天生会笑? THE idea that the human pe

发表于:2019-02-17 / 阅读(383) / 评论(0) 分类 经济学人综合

A new study from researchers at the University of Exeter found that short men and overweight women earn less than those who are taller and slimmer. Published in the British Medical Journal, the study involved genetic data from almost 120,000 people a

发表于:2019-02-18 / 阅读(153) / 评论(0) 分类 阅读空间

U.S. President Barack Obama wants to invest $215 million into a new health initiative that would help tailor medical treatment to an individual's genetic make-up. 奥巴马总统提议向美国一项新的基因研究计划投资2亿一千五百万美元

发表于:2019-02-18 / 阅读(115) / 评论(0) 分类 阅读空间

Why a marriage contract and not any other reason for regular annual action? 为什么是一纸婚书而不是其他什么原因使普西芬妮定期往返呢? Here is one. Persephone wasn't released. 我且来举个例子:普西芬妮并没有被放

发表于:2019-03-04 / 阅读(165) / 评论(0) 分类 TED演讲教育篇

Business 商业报道 Civilian jet engines 民用航空发动机 Gearing up for a fight 奋力一战 Pratt amp; Whitney hopes a high-tech engine will restore its former dominance. 普拉特惠特尼公司期待其新款的高科技航空发动机能重

发表于:2019-03-09 / 阅读(338) / 评论(0) 分类 经济学人商业系列
学英语单词
4a.
action girl
adlestrops
all-inclusive
alphabetarian
Angell international money plan
angells
anti-hunting protection
antimonate
bilateral derivative
blow off evaporator
Brunkeberg
calin
cantilever traffic sign
centric bottom tapping
charged particle spectrograph
chocolatize
cocoon fibre
combined safety and air valve
core white
cubard
dead beat instrument
depot forming adjuvant
diameter of impression
disturb about
drop weight ndtt
Emitrip
Eurodisney
ferruling
field weakening apparatus
finnie
flashback fire
French dressing
gauze strainer
glucaric acid
glucose-6-phasphate dehydrogenase
goldsinny
hammer-head crane
harmonic subflow
hat cheo
hover fly
hydrophone effect
jack-
kalms
Khelisem
lathe operation
leasing asset
memory margin
menstruation period
MEPP
metameric nervous system
mobile hammer mill
Moca
monkey Bar
monnier
multilevel structure
Mynatal
myrothecum
neutron count rate
no-load impedance
nonaccountable
nondimensional parameter
nonhoused
nucleo proteins
operation support
over-processing
packed cooling column
Pakruojis
PETRIOOLIDAE
pipesnakes
polycistrooonic transcript
polysaccharide chemistry
pressing machinery
primitive data item
probability in finite trials
product type
quadrant stars
questionings
quick-assembly
quirk mouldings
red signal light
returns outwards book
scope of the project
semimature soil
Shiraoi-gawa
shoddinesses
siphon leg
standard hydraulic station
subadnate
t'ai chi ch'uan
terrandry
thermopile wave meter
Trading Standards
tricolour morning glory
turbine water-meter
tycooness
unburnt gases
underdamp
usnea schadenbergiana
virtual channel memory
Watson-Crick
white-billed divers