[进化] 达尔文原则

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(270) / 评论(0) 分类 决胜六级英语听力

Chinese Mainland and Taiwan Should Uphold One-China Principle: State Council Ma Xiaoguang serves as a spokesperson for the State Council Taiwan Affairs Office. At a news conference on Wednesday, Ma said the One-China Principle has clearly defined the

发表于:2018-12-02 / 阅读(177) / 评论(0) 分类 2015CRI中国国际广播电台

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(137) / 评论(0) 分类 英语课程学习计划和讲义

the Daffodil principle Several times my daughter had telephoned to say, Mother, you must come to see the daffodils before they are over. I wanted to go, but it was a two-hour drive from Laguna to Lake Arrowhead I will come next Tuesday, I promised a

发表于:2018-12-07 / 阅读(309) / 评论(0) 分类 每天一点英文

He is a man of principle. 他是个有原则的人。 注意当中的principle和principal的读音一样的,但拼法就不同,意思都不同,principal是指校长。 principal是一个人,后面又是pal结尾,pal表示好朋友,下面的

发表于:2018-12-25 / 阅读(181) / 评论(0) 分类 蒋健棠英语实用句子

Grammar Girl here. Today were going to recall that the principal is indeed your pal, but well also see that a principal can be so much more. In this episode well talk about the various ways to use principlethats p-l-eand principalthats p-a-l. (These

发表于:2019-01-02 / 阅读(177) / 评论(0) 分类 英语语法 Grammar Girl

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(161) / 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(173) / 评论(0) 分类 2017年NPR美国国家公共电台7月

Pareto's Principle - The 80-20 Rule How the 80/20 rule can help you be more effective. In 1906, Italian economist Vilfredo Pareto created a mathematical formula to describe the unequal distribution of

发表于:2019-01-21 / 阅读(194) / 评论(0) 分类 实用英语

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(269) / 评论(0) 分类 60秒科学

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发表于:2019-02-13 / 阅读(125) / 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(127) / 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(119) / 评论(0) 分类 名人认知系列 Who Was
学英语单词
a winner
academic games
acquired freedom
agrippas
alcohplic strength
antimony(iii) iodide
Ash Sharmah
Azeri Turkic
basic activities of daily living (badls)
Biermer's anemia
bivariate normal target distribution
black lovage
blotter
Britof
bussback
carmody
centrifugal test
chondrigenous
coarse cut
collisional
constitutional monarchists
customs number
cystorrhexia
differentially-wound
diphenadion
distal renal tubule cell
do a number on
donna
dubray
EFTO
electrohydraulic valve
enmity
EPITONIOIDEA
eye(ocular)prostheses
fixed-block-architecture
forfaits
forfending
frozen strain
gasket iron
grid triangulation
high sulfur crude
hormoner
in-spawn
itani
jaja
John Wycliffe
KSOS
lesions
LOCA (loss-of-coolant accident)
local syncope
Malassez's disease
Manglietia glauca
masker
merwin's flame color screen
microfocusing
Mixed-bud
oblique axis
panims
part receipt
particle packing
polyselenide
preserved timber
propyl benzoate
pumarejo
put up resistance
pyrolytic polymer
retention curve
Romorantin-Lanthenay
root soluble
rope changer
rough graph
ruddyish
Secale sylvestre
sepsidoscinis maculipennis
sodium fluorosulfate
space-ship
spiratron
standard radio wave
starting characteristics test
steel support structure
stiff-leg derrick crane
strike sb all of a heap
Strowger
tail-rhyme
tailing weir
tarbet
technikons
thermophilic bacterial protease
third-class citizens
thousand delivered source instructions
thrust horse-shoe
tosylamides
total quality
two wire system
unalive
unblended base stock
undistinguisht
variable frequency vibrator
wellyed
wifeys
yardarm blinker
zaghlul