[网络] 原生植物;本地植物;土生植物

THE BISON ON THE PLAINS OF AMERICA The first settlers on the plains of America were Native Americans. They arrived more than. 30,000 years ago by crossing a land bridge from Asia to America. The Native Americans lived by gathering roots, nuts and wil

发表于:2018-12-04 / 阅读(308) / 评论(0) 分类 高中英语人教版第二册课本听力

美国干旱西部将迎来多雨冬季 As the drought continues for another year in southern California, more and more people, including Jan Muntz, are replacing all or parts of their yards with unconventional garden plants. 随着干旱在加利福尼

发表于:2018-12-08 / 阅读(214) / 评论(0) 分类 VOA标准英语2015年(十二月)

Scientists Fear Non-Pest Insects are Declinin Butterflies are as beautiful as the flowers they feed on.But they appear to be less abundant than in years past and that has scientists worried.Because butterflies, bees and other beneficial bugs pollinat

发表于:2018-12-08 / 阅读(210) / 评论(0) 分类 VOA标准英语2018年(九月)

Researchers Find Bright Side to Some Invasive Species Non-native species present threats to natural environments across the world by pushing out native organisms. Their presence can seriously damage ecosystems that provide clean water, food and other

发表于:2018-12-16 / 阅读(229) / 评论(0) 分类 2018年VOA慢速英语(十)月

Climate-Controlled Time Machine Tests Prairie Future Researchers from the University of Oregon have set up a kind of time machine to test how a warmer climate might affect grasslands and prairies around the world. Today, grasslands cover between 25 a

发表于:2018-12-16 / 阅读(220) / 评论(0) 分类 VOA标准英语2011年(六月)

Researcher Explores Native American Herbal Remedies Hikers often explore the foothills of the Angeles National Forest, but this group of hikers has a purpose. They are learning how Native Americans used the local vegetation in their healing, includin

发表于:2018-12-16 / 阅读(189) / 评论(0) 分类 VOA标准英语2013年(六月)

Globe Trotting Tropicals Plants were world travelers, long before tourists like you and me, were able to fly off to vacation around the world. When Columbus sailed west, he was seeking precious spices of the Indies. He missed his original destination

发表于:2018-12-27 / 阅读(239) / 评论(0) 分类 英语时差8,16

THE BISON ON THE PLAINS OF AMERICA The first settlers on the plains of America were Native Americans. They arrived more than 30,000 years ago by crossing a land bridge from Asia to America. The Native Americans lived by gathering roots, nuts and wil

发表于:2018-12-29 / 阅读(277) / 评论(0) 分类 人教高中英语高二

说一口流利的英语,从简单的单词开始。 听听,读读,背背,今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 facet [ 5fAsit ] The skill with which

发表于:2018-12-30 / 阅读(252) / 评论(0) 分类 每日攻克5词

More coming up on Day to Day from NPR News. From NPR News, it's Day to Day. Americans are loath to vote for higher taxes, except when it comes to smoking. On election days, states like Arizona and South Dakota voted for increased taxes on the sales o

发表于:2019-01-08 / 阅读(314) / 评论(0) 分类 2006年NPR美国国家公共电台

THE BISON ON THE PLAINS OF AMERICA The first settlers on the plains of America were Native Americans. They arrived more than. 30,000 years ago by crossing a land bridge from Asia to America. The Native Americans lived by gathering roots, nuts and wil

发表于:2019-01-09 / 阅读(401) / 评论(0) 分类 高中英语听力人教版第二册

This is the VOA Special English Development Report. Green roofs are designed to save energy and capture rainwater. Rooftops covered with plants help keep buildings cool. They can extend the life of a roof. And they can reduce water runoff into stree

发表于:2019-01-11 / 阅读(182) / 评论(0) 分类 VOA慢速英语2008(十)月

Scientists Predict Wet Winter for Dry American West 科学家预测湿润冬季或缓解美国西部干旱状况 Much of the western United States is suffering from extreme drought conditions. U.S. officials are blaming the lack of rainfall and snow

发表于:2019-01-12 / 阅读(275) / 评论(0) 分类 2015年VOA慢速英语(九)月

Where Have All the Bees Gone? 蜜蜂都哪去了? Bees play an important part in the growth of crops. About 4,000 wild bee species are native to North America. Other bee species on the continent were imported from Europe to produce honey. Bees also s

发表于:2019-01-12 / 阅读(213) / 评论(0) 分类 2015年VOA慢速英语(四)月

Photos Show Todays Native Americans Matika Wilbur has a goal that will take her across the United States. She plans to photograph every federally recognized Native American tribe in the country. She hopes that her photographs will help end the many s

发表于:2019-01-12 / 阅读(229) / 评论(0) 分类 2015年VOA慢速英语(十)月

NOEL KING, HOST: Climate change is causing more rain in many parts of the U.S., and more rain means more flooding. And that is bad news for one Great Lakes region crop - wild rice. NPR's Rebecca Hersher has the story. REBECCA HERSHER, BYLINE: Norther

发表于:2019-01-17 / 阅读(193) / 评论(0) 分类 2018年NPR美国国家公共电台8月

AGRICULTURE REPORT - Experts Say 'Lost' Crops Can Fight Hunger in AfricaBy Jerilyn Watson Broadcast: Tuesday, December 05, 2006 This is the VOA Special English Agriculture Report. Scientists around th

发表于:2019-01-30 / 阅读(404) / 评论(0) 分类 2006年慢速英语(十二)月

A man who was born in the state of Yan grew up in the state of Chu.At his old age he decided to return to the state of Yan.On his way he passed the state of Jin.His fellow travellers played a trick on him.They pointed at a city of the state o

发表于:2019-02-03 / 阅读(290) / 评论(0) 分类 趣味英语

Plants were world travelers, long before tourists like you and me, were able to fly off to vacation around the world. When Columbus sailed west, he was seeking precious spices of the Indies. He missed his original destination, but because he and othe

发表于:2019-02-16 / 阅读(243) / 评论(0) 分类 英语听力文摘 English Digest

Oceans Most Wanted 伴随着人们的经济活动和国际交往,一些物种由原生存地借助于人为作用或其他途径移居到另一个新的生存环境并在新的栖息地繁殖并建立稳定种群,这些物种被称为外来物种。

发表于:2019-03-09 / 阅读(388) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
a bird of peace
acid phosphatic manures
acid yellow D
afognak i.
Al Khalf
alexeyev
amount of light
amphitrite lobocephala
anteriomedially
Arahat
Arctocephalus philippi
Asind
asparagus officinalis
base flashing
basilar sulcus
beyl
birefringence chart
blood-pressure sensor
Blundell
boguing
Brainia
celiocyesis
centrifiner
confirm in
data not available
decoupling attenuator
document protocol
doffer disk
electric signal transmission
Fagerlindia depauperata
fancy fresh fruits
favo(u)r
flat-staggered amplifier wide-band amplifier
fuzzy simple disjunctive decomposition
galle
gelasma
genus Parascalops
globulism
grasscourt
Grecaster
grey flounder
hats off to
hural
ill advised
index series of group
ke
lavafalls
lead hydroxynitrate
linear-response
lipothymic
Lloyd, Selwyn
low-riding
low-voltage bus-bar
memorial stone
moddon
modern liquid chromatography
naturing
new plant variety
newline
Obermuller's tests
overfyll
ozonides
palletized storage
post-dam
private(patient)
pseudohyperphoria
pulmonary congenital disease
pure colour
pyroclastic flow
re-boil
red jujube
refining of lubricating oils
response functional
river course straightening
Rutherford's theory
Scutellaria nigrocardia
self-educations
seronegativities
smuin
snake without tunnel
source package
sparrow eye
start characteristic curve
statement of absorption of deficit
steel-backed bearing
subquadriceps hematoma
superimposed river(superposed river)
synchronizing signal compression
temperate deciduous forest
third-octave filter set
timber-grillage
time detector
transfer line
trigonidium cicindeloides
tuner drum
ukeles
uranium monophosphide
vapour capacity
writing ink
Xolos
yye
Zestap'oni