大海洋生态系

It's an island known for its rich cultural history and environmental treasures but human activities such as tourism and deforestation threaten some of Cubas key habitats, which is why the World Wildlife Funds Julia Langer collaborates with local part

发表于:2018-12-03 / 阅读(119) / 评论(0) 分类 自然百科2008年

This the VOA Special English Agriculture Report. It can be hard to decide which foods to buy in an American grocery store these days. The information on many products makes different claims. These labels suggest that the food is safe, pure or kind t

发表于:2018-12-15 / 阅读(94) / 评论(0) 分类 VOA慢速英语2007年(三)月

Transcript by myconsent (for reference only) The small town of Cuatro Cienegas in northern Mexico is an oasis ( 绿洲 ) in the Chihuahuan desert. It s a valley that holds an example of what some believe is the one of the first human footprints in the

发表于:2018-12-30 / 阅读(130) / 评论(0) 分类 国家地理2008年

The Florida Everglades are home to alligators, dozens of bird species, beautiful flowers and exotic plants. It's easy to see what attracts people to these places. But Florida's population growth, coupled with farms that require a never-ending supply

发表于:2018-12-30 / 阅读(101) / 评论(0) 分类 国家地理2008年

JUDY WOODRUFF: The Great Barrier Reef along the coast of Australia is considered one of the greatest natural wonders of the world. It actually consists of more than 2,900 smaller reefs and 900 islands and countless species of fish. But its health and

发表于:2018-12-31 / 阅读(121) / 评论(0) 分类 PBS访谈环境系列

As of 1995, some 37,000 industrial-sized fishing ships, plus about a million smaller boats, 到1995年,世界上大约有37000越工业规模的渔船,加上大约100万条小型渔船。 were between them taking twice as many fish from the sea a

发表于:2019-01-01 / 阅读(115) / 评论(0) 分类 万物简史

Ancient People in South Africa Unharmed by Volcanic Eruption About 74,000 years ago, the Mount Toba volcano erupted on what is now the Indonesian island of Sumatra. The eruption caused a worldwide environmental disaster. It may have destroyed ancient

发表于:2019-01-03 / 阅读(88) / 评论(0) 分类 2018年VOA慢速英语(三)月

Scientists Measure Ocean Health by Its Color 科学家根据海洋的颜色测量其健康度 You wouldn't order phytoplankton from a menu, but these microscopic green algae are an important food. The

发表于:2019-01-03 / 阅读(174) / 评论(0) 分类 VOA2005(上)--环境科学探索

Fewer Creatures in Future Oceans Could Provide Less Food 海洋生物大量减少在未来只能提供更少的食物 Warming oceans will cause big changes in the biodiversity of sea life. That is a finding from the largest study ever of marine plant

发表于:2019-01-12 / 阅读(88) / 评论(0) 分类 2015年VOA慢速英语(九)月

More Surprises from the Deep Sea Researchers hired to study part of the deep sea floor of the Pacific Ocean found a surprising number of new animal species. Scientists at the University of Hawaii at Manoa studied a 900-square-kilometer area in the ea

发表于:2019-01-12 / 阅读(172) / 评论(0) 分类 2016年VOA慢速英语(八)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(139) / 评论(0) 分类 VOA标准英语2010年(七)月

剑桥雅思11出版后,很多同学都争抢做这本书感受最新的命题趋势。同学们在做剑11 听力的时候发现录音语速的确变快,填空题数量增加。下面雅思频道就为同学们整理剑11听力中出现的词汇汇

发表于:2019-01-18 / 阅读(153) / 评论(0) 分类 雅思英语

Moreton Bay, on the eastern coast of Australia, is always a rich and diverse ecosystem. Beds of sea grass stretch over miles, providing the foundation for fish, marine mammals and some truly ancient mariners(海员). Protected areas, like Moreton

发表于:2019-01-22 / 阅读(151) / 评论(0) 分类 自然百科2009年

In the 1600s, there were so many right whales in Cape Cod Bay off the east coast of the U.S. that apparently you could walk across their backs from one end of the bay to the other. Today, they number in the hundreds, and they're endangered. Like them

发表于:2019-01-24 / 阅读(147) / 评论(0) 分类 英语语言学习

A report released last Wednesday by China's State Oceanic Administration warned that sea levels monitored last year reached the highest level since 1980. 中国国家海洋局上周三发布的一份报告警告称,去年监测的我国海平面高度

发表于:2019-02-06 / 阅读(134) / 评论(0) 分类 英语新闻

By 2050, small fish could dominate(控制支配) the oceans because of the rapid decline of larger, predator fish. In a new report, the U.N. Food and Agriculture Organization finds that one-third of the worlds fisheries are overexploited, depleted or

发表于:2019-02-08 / 阅读(193) / 评论(0) 分类 英语新闻

By Scott Stearns White House 15 June 2006 President Bush has created the world's largest marine reserve. Mr. Bush acted to protect an area of the Pacific Ocean that is roughly the size of California. More than 7,000 species of marine life live in a

发表于:2019-02-12 / 阅读(245) / 评论(0) 分类 2006年VOA标准英语(六月)

In 2008, on a private pier on the Tred Avon River, Maryland Gov. Martin O'Malley kicked off an effort to get property owners along state rivers to become caretakers for oysters. The Marylanders Grow Oysters program began with 250 families and has exp

发表于:2019-02-12 / 阅读(129) / 评论(0) 分类 VOA标准英语2010年(十一)月

Biologists, according to the New York Times, 据《纽约时报》说:生物学家们估计, estimate that 90 percent of lobsters are caught within a year after they reach the legal minimum size at about age six. 大龙虾大约在6岁达到法定的

发表于:2019-02-17 / 阅读(94) / 评论(0) 分类 万物简史

A rise in the world's population is having serious, negative effects on the environment. Some scientists believe that the only way to solve the problem is to set up a colony on the Moon. Others argue that the cost would be far too great and other sol

发表于:2019-02-26 / 阅读(223) / 评论(0) 分类 雅思英语
学英语单词
a straight shooter
amici compensator
angiolymphangioma
anniversal
assembler code
baihu decoction
bearproofed
Benjamin Graham
Boertange
brings to the table
buquet
carismas
chromium picolinate
citrus fruit syrup
Clematis lasiandra Maxim.
Colorado potato beetle
combination fuse
commercial community
common vegetable
computer-assisted approach sequencing
conquest
Corsanil
crippling load
Croix Haute, Col de la
custard apple
Demand signal repository
denominational party
diclemente
discreta
drop cannon
Drugan
dryness of throat
Dubini
duckbill
engaging pin
eragrostic abyssinicas
explosion-pressure
eye sex
faith-communities
FIGLU test
five thousand
flightpath angle
Fouchard
frame difference circuit
Goodyera henryi
Gulf, The
gutierrezes
heart puncture
homeoplasty
horizontal multiple deck chip screen
horizontalis
hospital sewage
hydraulic power system
hyperindicanemia
interpellation clause
itagakis
junction potential
knitting dynamics
let the dust settle
linear mean diameter
lustre-coating agent
lymegrass
magnetic displacement recorder
microsecond pulse generator
Microtoena prainiana
monofluorophosphate
newer
nozzle opening ratio
open-address
overhead cam
pale purplish pink
pantograph
patryan
Phytophthora infestans
post-tax operating profit
pre-europeans
price-taking
print hold state
prosaical
protest for non-payment
pupilmasters
reality television
reflected impedance
reliquus
Rybnik
screwed on
search team
sheet lightning
shoos-in
shrink on fit
sillily
smart memory
staff suggestion box
statistical clerk
stoop to
tenters
teres majors
v. obliqua atrii sinistri
vallecula
vestibular neuritis
water voltameter
yearsley