河流生态系统

Cry Me A River You were my sun You were my earth But you didn't know all the ways I loved you, no So you took a chance And made other plans But I bet you didn't think that they would come crashing dow

发表于:2018-11-28 / 阅读(152) / 评论(0) 分类 疯狂英语2003年

By Caty Weaver Broadcast: August 1, 2003 This is Steve Ember with the VOA Special English Environment Report. Last month a judge ordered the United States Army Corps of Engineers to begin to lower wat

发表于:2018-12-01 / 阅读(87) / 评论(0) 分类 VOA2003(下)-环境与健康

There's Something for Everyone at Olympic National Park This week in our national parks journey, we explore a vast area with mountains, beaches, forests, and glaciers. The areas huge range in both rainfall and elevation make it one of the most divers

发表于:2018-12-08 / 阅读(91) / 评论(0) 分类 2016年VOA慢速英语(十二)月

Exhibit Highlights Butterfly's Beauty, Diversity, Value to Ecosystem Flying Canvases They are gentle, colorful creatures that move with grace and flair. And in a warm and humid enclosure at the Smithsonians National Museum of Natural History in Washi

发表于:2018-12-08 / 阅读(90) / 评论(0) 分类 VOA标准英语2013年(三月)

NOEL KING, HOST: Deep inside Northeast India, a forest has come bounding back thanks to one man. He's a farmer. NPR's Julie McCarthy traveled to see him, and she has this report. JULIE MCCARTHY, HOST: We've come to one of the most geographically isol

发表于:2018-12-11 / 阅读(59) / 评论(0) 分类 2017年NPR美国国家公共电台12月

Big Bend National Park: A Texas Treasure 大本德国家公园:德克萨斯的宝藏 Today on our national parks journey, we head to the far western part of Texas. The landscape here is severe. The Chisos Mountains rise from the desert. The Rio Gra

发表于:2018-12-16 / 阅读(91) / 评论(0) 分类 2016年VOA慢速英语(八)月

Water is the source of life, a key factor in development and the essence of a harmonious ecosystem. With China's water environment deteriorating, and growing competition for water resources causing more disputes, both authorities and NGOs are realizi

发表于:2018-12-19 / 阅读(53) / 评论(0) 分类 世界各地新闻集锦

This is Scientific Americans 60-Second Science. Im Adam Hinterthuer. Got a minute? Youve probably heard about mercury contamination in fish. But a new study says that the toxin has climbed out of the water. Researchers from the College of William Mar

发表于:2018-12-24 / 阅读(69) / 评论(0) 分类 Scientific American(四)月

This is Scientific Americans 60-second Science. Im Karen Hopkin, This will just take a minute. Have you ever said, I know it like the back of my hand? Well, how well do you know the back of your hand, or the back of your knee, or behind your ears? Pr

发表于:2018-12-24 / 阅读(72) / 评论(0) 分类 Scientific American(五)月

人类的发展也伴随着对环境的破坏,保护好环境迫在眉睫..... Chris: Hello and welcome to 6 Minute English from BBC Learning English, the programme where we discuss a topical subject and introduce you to some of the interesting voc

发表于:2018-12-27 / 阅读(59) / 评论(0) 分类 一起听英语

Scientists Help Insects to Help Colorado River Fish Fish need insects for food. So, healthy rivers have healthy insect populations. However, in the United States, part of the Colorado River has an insect shortage that has left many fish without food.

发表于:2019-01-03 / 阅读(75) / 评论(0) 分类 2018年VOA慢速英语(五)月

Chris: Hello and welcome to 6 Minute English from BBC Learning English, the programme where we discuss a topical subject and introduce you to some of the interesting vocabulary connected to that topic. I'm Chris and with me today is Rosie. Rosie: Hel

发表于:2019-01-07 / 阅读(101) / 评论(0) 分类 六分钟英语

Everglades National Park: 'The Liquid Heart of Florida' Today on our national parks journey, we explore the Everglades in South Florida. When many people think of Florida, images of sandy coasts, theme parks and rocket launches come to mind. But it i

发表于:2019-01-12 / 阅读(54) / 评论(0) 分类 2016年VOA慢速英语(六)月

Wastewater Key to Sustaining Life The world population is growing rapidly and is expected to reach 9 billion by 2050. While efforts are underway to ensure theres enough food, one scientist is warning there may not be enough water. Professor Stanley G

发表于:2019-01-13 / 阅读(93) / 评论(0) 分类 VOA标准英语2012年(八月)

Asian Carp now outnumber native fish in many areas of the United States and their expansion particularly threatens the fragile ecosystems of the Great Lakes. In an effort to control algae growth, catfish farmers in the southern United States introduc

发表于:2019-01-13 / 阅读(100) / 评论(0) 分类 VOA标准英语2010年(七)月

Kenya's ocean waters are home to five out of the world's eight species of turtles. All are classified as either endangered or critically endangered, and are threatened by poaching, fishing nets, development and pollution. The conservation groups Wata

发表于:2019-01-13 / 阅读(84) / 评论(0) 分类 VOA标准英语2010年(七)月

Making a stopover in the Sajiangyuan region of Qinghai, President Xi Jinping says the central authorities recognize the importance of the area to the rest of the country. Qinghai is the source of life of China. It's very important to protect the ecos

发表于:2019-01-19 / 阅读(65) / 评论(0) 分类 2016CRI中国国际广播电台

Volunteers Clean Up Los Angeles River Flood control channels encase the Los Angeles River, which is dry for most of the year but springs to life forcefully when the winter rains begin in November and December. Each April, as the waters subside, volun

发表于:2019-02-03 / 阅读(98) / 评论(0) 分类 VOA标准英语2012年(五月)

By Stefan Bos Budapest 15 April 2008 The European Union and several key Danube organizations are urging countries along the river Danube to prevent irreversible damage to the waterway, warning the growing pollution could endanger drinking water for s

发表于:2019-02-04 / 阅读(58) / 评论(0) 分类 VOA常速英语2008年(四月)

音乐咖啡厅:Sarah Brightman - Moon river 相关介绍:2000年10月25日,美国西岸的大城--洛杉矶,当天晚上在WILTERN剧院里,数万名爆满的观众忘情的疯狂鼓掌,震耳欲聋的安可声几乎要将剧院的屋顶掀翻

发表于:2019-02-08 / 阅读(149) / 评论(0) 分类 音乐咖啡厅
学英语单词
alred
apparatus for driving in mandrels
arslanians
bamboo working
battledore placenta
bilge hat
black abalones
bombazets
boot money
buccal cavities
bureau chief
carry over price
chloris virgata sw.
cicadae
cl-
cloudification
coenzyme some
Composite order
computer-aided phototypesetting
coumadins
credit financing
creep analysis
detached houses
diagnostic medicine
digitals
dog pile
drawspring
dysbetalipoproteinemias
ectropies
Erianthus japonicus
feed dump cylinder
fell apart
fixed-ratio
flourishest
give sb. the rough side of one's tongue
grazing stock management
gummed tape
haemol
high-water stand
Hor. interm.
hyperbolic function
infrabrustia
inspection of accounts
irregular stacking
joanna
Karplus'sign
king card
kirtles
larval ocellus
lazrove
lead moulding
line one's pocket
Litha
Lombadzi
low-energy region
magnetoelectric relay
mesa verde national parks
meteorologic post
methylene bridge
middendorffianum
monobrids construction
monoprocessor configuration
mussitates
non-recoverable error
omarus
oral cirri
palito
permissible explosive
piepowders
porous foundation
pressure diagram during nonheating period
prosthologists
pseudo-ophthalmoplegiasyndrome
redintegratio
reentrant polygons
reese's peanut butter cup
refracting telescope
religion
replacement operation
sac-a-lait
sheet steel pipe
siliconeoi
soil anti-scouribility
somatosensation
spontaneous hypersensitivity
still-growings
subminimum
swingings
tanker surplus
thistle
towing arch
track geometry car
under-tutor
unstandardized question
uprolls
valve filament circuit
variable dimension array
vendor programme
vitamine Ni
w?n k'ang chi
wallcovers
whileas