单性生殖;行减数分裂的二倍体单性生殖

A Century of Memories (1910-1919) Roosevelt's design included linking the Pacific and Atlantic oceans by building a canal through the 1) Isthmus of Panama in northern Columbia, construction of the era

发表于:2018-11-28 / 阅读(150) / 评论(0) 分类 疯狂英语2003年

VOICE ONE: I'm Steve Ember. VOICE TWO: And I'm Shirley Griffith with EXPLORATIONS in VOA Special English. Today, we tell about Eleanor Creesy. She helped to guide one of the fastest sailing ships ever built. (MUSIC) VOICE ONE: A painting of the Flyin

发表于:2018-12-01 / 阅读(192) / 评论(0) 分类 VOA慢速英语2009年(十二)月

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2018-12-04 / 阅读(110) / 评论(0) 分类 单词解析速记

Captain Benito Cereno hurried aboard his ship. It was ready to sail. A bright sun and a soft breeze promised good weather ahead. The ship's anchor was raised. And the San Dominick -- old but still seaworthy - moved slowly out of the harbor of Valpara

发表于:2018-12-08 / 阅读(791) / 评论(0) 分类 2017年VOA慢速英语(十一)月

This is the VOA Special English Development Report. Clay is found almost everywhere in the world. It is formed by the action of wind and water on rocks over thousands of years. The rocks change in both chemical and physical ways. Chemically, element

发表于:2018-12-15 / 阅读(90) / 评论(0) 分类 VOA慢速英语2008年(八)月

PEOPLE IN AMERICA - Winslow Homer, 1836-1910: Americas Painter STEVE EMBER: Im Steve Ember. BARBARA KLEIN: And Im Barbara Klein with PEOPLE IN AMERICA in VOA Special English. Today we tell about Winslow Homer, considered to be the greatest American a

发表于:2019-01-02 / 阅读(69) / 评论(0) 分类 2011年VOA慢速英语(十一)月

We present the second of three parts of the short story Benito Cereno. It was written by Herman Melville. Last week, we told how African slaves on a Spanish ship rebelled in seventeen ninety-nine. They killed most of the Spanish sailors. Only the cap

发表于:2019-01-02 / 阅读(351) / 评论(0) 分类 2017年VOA慢速英语(十二)月

We present the last of three parts of the short story Benito Cereno. It was written by Herman Melville. As we told you in earlier parts of our story, rebel slaves seized the ship San Dominick off the coast of Chile. They killed many of its officers a

发表于:2019-01-03 / 阅读(720) / 评论(0) 分类 2017年VOA慢速英语(十二)月

We present the first of three parts of the short story Benito Cereno. It was written by Herman Melville. Here is Shep O'Neal with the story. Captain Benito Cereno hurried aboard his ship. It was ready to sail. A bright sun and a soft breeze promised

发表于:2019-01-03 / 阅读(109) / 评论(0) 分类 2018年VOA慢速英语(九)月

We present the last of three parts of the short story Benito Cereno. It was written by Herman Melville. As we told you in earlier parts of our story, rebel slaves seized the ship San Dominick off the coast of Chile. They killed many of its officers a

发表于:2019-01-03 / 阅读(109) / 评论(0) 分类 2018年VOA慢速英语(十)月

We present the second of three parts of the short story Benito Cereno. It was written by Herman Melville. Last week, we told how African slaves on a Spanish ship rebelled in seventeen ninety-nine. They killed most of the Spanish sailors. Only the cap

发表于:2019-01-03 / 阅读(141) / 评论(0) 分类 2018年VOA慢速英语(十)月

THE MAKING OF A NATION - American History: A Friendship Helps Guide World War 2 Diplomacy STEVE EMBER: Welcome to THE MAKING OF A NATION American history in VOA Special English. Im Steve Ember. (MUSIC) History is full of examples of leaders joining t

发表于:2019-01-07 / 阅读(114) / 评论(0) 分类 2011年VOA慢速英语(七)月

AMERICAN MOSAIC - Tax Day, Cherry Trees and an Unusual Guitar: What Do They All Have in Common? By Nancy Steinbach,Ed Stautberg Broadcast: Friday, April 15, 2005 (MUSIC) HOST: Welcome to AMERICAN MOSA

发表于:2019-01-08 / 阅读(207) / 评论(0) 分类 American Mosaic

PEOPLE IN AMERICA - Artie Shaw, 1910-2004 : Last Great Musician of What Has Been Called the Big Band Era DOUG JOHNSON: Im Doug Johnson with PEOPLE IN AMERICA in VOA Special English. Today we tell the story of a musician who led one of the most popula

发表于:2019-01-12 / 阅读(91) / 评论(0) 分类 2012年VOA慢速英语(五)月

PEOPLE IN AMERICA - Julia Ward Howe, 1819-1910: Anti-Slavery Activist Wrote 'Battle Hymn of the Republic' RAY FREEMAN: I'm Ray Freeman. SHIRLEY GRIFFITH: And I'm Shirley Griffith with the Special English program, PEOPLE IN AMERICA. Every week we tell

发表于:2019-01-12 / 阅读(97) / 评论(0) 分类 2012年VOA慢速英语(五)月

A military-led group in Guinea says it has taken power, following the death of long-time President Lansana Conte. But the civilian government in Conakry says it is still in charge. Mutinous soldiers in Guinea say they have dissolved the government a

发表于:2019-01-13 / 阅读(76) / 评论(0) 分类 VOA标准英语2008年(十二月)

The World Health Organization and the United Nations Children's Fund are launching an emergency appeal for $1.6 million to try to contain a cholera epidemic in Guinea-Bissau, which has affected more than 12,000 people and killed more than 200. Lisa

发表于:2019-01-13 / 阅读(104) / 评论(0) 分类 VOA标准英语2008年(十月)

Stung by criticism that their coverage of the Mumbai terror attacks was sensationalistic and endangered rescue operations, India's broadcasters have implemented voluntary guidelines to steer coverage of any future such events. India's broadcasters h

发表于:2019-01-13 / 阅读(96) / 评论(0) 分类 VOA标准英语2009年(二月)

6 Things You Need To Know About Cycling On The Sidewalk play pause stop mute unmute max volume 00:0003:18repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update your Flash plugin.

发表于:2019-01-17 / 阅读(81) / 评论(0) 分类 2016年NPR美国国家公共电台10月

By Phuong Tran Canchungo, Guinea Bissau 01 April 2008 The West African nation of Guinea-Bissau has one of the worst school systems in the world, according to the United Nations. Teachers go for months without getting paid, and often go on strike. Phu

发表于:2019-01-31 / 阅读(103) / 评论(0) 分类 VOA常速英语2008年(四月)
学英语单词
a balancing act
airborne emergency medical center
anonymity
anvil roller
bandiness
best screenplay
Botnaheidhi
brown clay ironstone
bursae trochanterica subfascialis
cettiid
chaetophobia
Chromiferous-Clinochlore
chuck spindle
circuit of the cells
cleyff
collyrium hydrargyi oxycyanidi
columnar stem
combined drill abd mill machine
come back
congregate
cost of depreciation
dangereux
delivery-stroke
dibutyl tin laurate
dilemma
dimethyldichlorosilance
dock leveler
dropped-scone
dynamic coefficient subgrade reaction
East Langton
east-northeast
explosive mixture
Fanning's equation
faulknor
fibreglass-reinforced metal
forced expiratory volume in one second
gas cycling
global irradiation
grewelle
Grt.
guggulipid
Gwaram
hastatest
Hebeloma
higher than Gilderoy's kite
Hitcham
holford
i-gastliche
isoentropic compression
isopterygium minutifolium
james scott connorss
Japan Machinery Federation
latex finger cot
leggatts
lever-and-screw coupling
liberomotor
Loquilocon
luxur
machoistic
moulding-sand mixture
national enquires
New England press ham
non-tacky toner
nonregulated discharge
offset section
outer circumferential lamella
oviculated
pentalenyl
plastic lining
Pomme de Terre R.
portwood
product detector
read write
record amplifier
relief-map
reserve ratio requirement
roark
s-method of multiple comparisons
scombroid
screen function
secondary calcining
shape element
slope break
Streettalk
sun parlour
super-refractory
supplementary unemployment benefit
synovial(fluid)
tenth Muse
timber cage
timber cofferdam
total power system
unconscious neglect
unimpugned
unsensationalised
up someone's street
Vinylite
warbey
Windows Powered NAS
wireimage.com
wireless operators
yellow-weed