[网络] 达尔文观察到一些鸟类;达尔文雀;达尔文燕雀雀

Section A Short Conversation [00:04.78]1.It seems to me that there is no need to have a screen on the door in the winter [00:12.04]We usually put it on in summer, don't we? [00:16.90]The only reason for having a screen on the door is [00:21.94]to kee

发表于:2018-12-01 / 阅读(254) / 评论(0) 分类 决胜六级英语听力

February the 12th is Darwin Day. It is to celebrate the anniversary of the birth of Charles Darwin on February 12, 1809 and his life as a scientist. This day also aims to encourage children to get into science. Darwin was one of the worlds greatest s

发表于:2018-12-04 / 阅读(117) / 评论(0) 分类 英语课程学习计划和讲义

When youre looking for a table in a crowded cafeteria, you probably give wide berth to the family that sounds like its sharing a big dish of whooping cough. Well, not if youre a house finch, particularly a male. Because a study in the journal Biology

发表于:2018-12-24 / 阅读(112) / 评论(0) 分类 Scientific American(二)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Some people are worried that the more we learn about genetics, the closer well get to a day when we can choose all sorts of characteristics for our bab

发表于:2018-12-24 / 阅读(130) / 评论(0) 分类 Scientific American(三)月

Finches Seek Out Sick Dining Companions A study in the journal Biology Letters finds that male finches prefer dining next to a sick bird despite the risk of infection, probably because the lethargic companion is less likely to engage in food fights.

发表于:2019-01-02 / 阅读(145) / 评论(0) 分类 60秒科学

Explorations - Great Thinkers: Charles Darwin and Evolution STEVE EMBER: Welcome to Explorations, in VOA Special English. I'm Steve Ember. This week, Barbara Klein and I tell about one of the most influential thinkers in science history. Charles Darw

发表于:2019-01-12 / 阅读(143) / 评论(0) 分类 2011年VOA慢速英语(十一)月

ROBERT SIEGEL, HOST: Just in time for these hot days of summer, British historian Rosemary Ashton has written the history of one very hot summer in London many years ago, in 1858. That year, the talk of the town was all about marital mores and public

发表于:2019-01-16 / 阅读(146) / 评论(0) 分类 2017年NPR美国国家公共电台7月

Decades After An Iconic Protest, Tommie Smith Has Something Else On His Min play pause stop mute unmute max volume 00:0004:48repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update

发表于:2019-01-16 / 阅读(129) / 评论(0) 分类 2016年NPR美国国家公共电台9月

MICHEL MARTIN, HOST: The writer Ariel Dorfman - born in Argentina, raised in Chile, now living and teaching in the U.S. - is known around the world for his art and his activism in behalf of human rights. His signature work, Death And The Maiden, a 19

发表于:2019-01-17 / 阅读(154) / 评论(0) 分类 2018年NPR美国国家公共电台6月

Finches Can Learn to Sing Differently Than Their Genetics Dictate In the most recent podcast we discussed how baby bats learn their callsfrom all the other bats in their crowded colonies. And we mentioned in passing that songbirds usually get tutored

发表于:2019-01-20 / 阅读(123) / 评论(0) 分类 2018年科学美国人1月

Darwin in Battle of Wits against Unarmed Man Antievolutionist Ray Comfort will be distributing copies of the Origin of Species with a new introduction that misrepresents, misunderstands and distorts Darwin's ideas and legacy. Steve Mirsky comments No

发表于:2019-01-30 / 阅读(239) / 评论(0) 分类 60秒科学

Jennifer Glasse | London 09 April 2010 Spring is in the air at London's Barbican Center and the birds are making music, literally. A band of zebra finches is playing electric guitars and cymbals in a walk through area of the arts center. These zebra

发表于:2019-02-05 / 阅读(94) / 评论(0) 分类 VOA标准英语2010年(四)月

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发表于:2019-02-13 / 阅读(158) / 评论(0) 分类 名人认知系列 Who Was

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发表于:2019-02-13 / 阅读(100) / 评论(0) 分类 名人认知系列 Who Was

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发表于:2019-02-13 / 阅读(137) / 评论(0) 分类 名人认知系列 Who Was

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发表于:2019-02-13 / 阅读(104) / 评论(0) 分类 名人认知系列 Who Was

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发表于:2019-02-13 / 阅读(104) / 评论(0) 分类 名人认知系列 Who Was

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发表于:2019-02-13 / 阅读(104) / 评论(0) 分类 名人认知系列 Who Was

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发表于:2019-02-13 / 阅读(97) / 评论(0) 分类 名人认知系列 Who Was

Isolated finches still produce what are called innate or isolate songs. A specific tune might be taught, but the instinct to sing seems to be hardwired into a songbird's brain. Innate songs sound different from the cultured songs learned from other f

发表于:2019-02-14 / 阅读(103) / 评论(0) 分类 留美老师带你每日说英文
学英语单词
A broken gong does not sound
a great amount of
acc automatic combustion control
adrenoleukodystrophies
advertising-to-editorial ratio
agalmatolite fireproofing materials
air operated expanding arbor
aircraft spotter
angle-bending
apert
armored personnel carrier
axel
axiom of parallel
back lane
Bierbaum scratch hardness equipment
bisks
buy forward
Champy-Kull's method staining
cocktail shaker sort
congenital annular stricture of upper extremity
conservator
Culsageeite
derived vector
detoxed
diodeelectrode
double-acting atomizer
doubledealer
douchebag
Dve Mogili
eccentric crank
endocochlear(endolymphatic)potential
fencelines
finite polyhedron
fitted capacity
fuel liquid
gaubatz
gay libs
genus Logania
Geranium richardsonii
grain cleaning
H. L.
half-crossed belt
Hastie, William Henry
helically-welded case
Huldshinsky's radiation
Igbor
inoue
intrasubstantial
jointing tool
kaibab squirrel
kaled
keep it dark
King Shit
knus
least square polynomial fit
lightning impulse voltage test
lipid-soluble
long-dead
mixed radix number
morning time
Nebbou(Nebou)
normal undercarriage
notice of discontinuance
olrs
only as a matter of form
over-regularizations
oxy-hydrogen flame
pas de bourr?e en avant
pepeline layer
pereitrine
permanent payroll
pet cokes
pitchcocking
plan do see
Podophyllum hexandrum
polyvinylidene resin
preconcentrating
presser disc
puker
random-bred
re-precipitation
reed-sternberg(cell)
rides away
Rutul'skiy Rayon
scroll pivoter snips
sociocentrism
springing
strumple
take a smell at
talk out
Thrixspermum fantasticum
Toonalol
total-head tube
toubabs
tuberculosis of tendon sheath
Tuberculum majus
universal transforming printer
Vent your spleen
Volltomycin
weld metal deposition
window measurement
yarn steaming