环礁;环状珊瑚礁

Youre going to see some beautiful coral out at the reef, Melanie said, as they boarded a glass-bottom boat later that morning. They had driven into Key West after breakfast and were taking their seats on the upper deck of a large white boat called th

发表于:2018-12-06 / 阅读(131) / 评论(0) 分类 41 The Mystery of the Hidden B

英语畅谈世界文化lesson7:Great Barrier Reef大堡礁

发表于:2018-12-07 / 阅读(175) / 评论(0) 分类 英语畅谈世界文化

Wk 09 (1 March 1954) USA Tests Its Biggest Nuclear WeaponThis Week in HistoryThe USA explodes a huge hydrogen bomb at Bikini Atoll in the Pacific Ocean. In 1954, the USA tested a massive hydrogen bomb nicknamed Bravo at Bikini Atoll, part of the Mars

发表于:2018-12-27 / 阅读(131) / 评论(0) 分类 英语新闻与报道—News and Reports

The waves of these azure seas hide an abundant treasure. Below the waves, coral reefs provide a habitat for teeming life, a life with a kaleidoscope of color. In oceans around the world, clear and well-circulating waters encourage corals to anchor a

发表于:2018-12-30 / 阅读(144) / 评论(0) 分类 国家地理2008年

Many parts of the United States were first territories with the plan that they would someday become states. Former territories include Oklahoma, which became a state in 1907; New Mexico and Arizona, which became states in 1912; and Hawaii and Alaska,

发表于:2019-01-12 / 阅读(177) / 评论(0) 分类 2016年VOA慢速英语(十二)月

A MARTINEZ, HOST: There are few places on Earth where the impact of climate change is more noticeable than along the Great Barrier Reef. It's the planet's largest living organism that now has become the world's largest dying organism. In the past 18

发表于:2019-01-16 / 阅读(158) / 评论(0) 分类 2017年NPR美国国家公共电台7月

Like these sea fans, the last frontier of life on the reef. The divers reach their target-- a massive ridge, 190 feet down. Here, the air they are breathing is under pressure, squeezed down so that there's more gas in every lungful. They have to hope

发表于:2019-01-22 / 阅读(142) / 评论(0) 分类 自然百科2011年

The reef was left high and dry, exposed to air and harsh sun. A trillion tiny creatures died in their own homes. For the coral, it was an apocalypse. When the ice age ended, the sea came back and submerged the dead reef. But what brought it back to l

发表于:2019-01-22 / 阅读(134) / 评论(0) 分类 自然百科2011年

Here it is. Got it, I think. A spring. And whats actually coming out of this is fresh water. You can drink. You see this stuff bubbling out? This is what the traditional owners of this place call 'buiur bindi''fresh water in the ocean'. The locals ca

发表于:2019-01-22 / 阅读(125) / 评论(0) 分类 自然百科2011年

Today, the elements that support the reef are in fine balance--sun, wind and waves. But it doesn't take much to tip the balance, plummeting this huge reef into disaster. It might happen sonner than you think. Eighteen million years ago, a series of r

发表于:2019-01-22 / 阅读(122) / 评论(0) 分类 自然百科2011年

The pearl luggers then turned their attention to something else, a much bigger target. The reef has always provided a great haven for large animals, like turtles who nest on the coral piece. Whole populations of turtles were brought to the verge of e

发表于:2019-01-22 / 阅读(109) / 评论(0) 分类 自然百科2011年

Eighteen million years ago, it arrived in warm, tropical waters. Only then could the world's greatest reef be born. Australia's epic journey may have created perfect conditions for coral, but it also put it in the line of fire of the most powerful st

发表于:2019-01-22 / 阅读(120) / 评论(0) 分类 自然百科2011年

Where the forces of nature meet? In a hidden world, a tropical miracle. At this moment, evolution is building a living colossus, a giant built by nature's tiniest creature, a model of reincarnation, a survivor born from disasterthe Great Barrier Reef

发表于:2019-01-22 / 阅读(97) / 评论(0) 分类 自然百科2011年

As a polyp grows, it puts up a wall of limestone around itself. And then it multiplies. Each polyp can produce thousands of offspring, which all work together to build a living fortress-- a coral reef. After just a few years, a single piece of coral

发表于:2019-01-22 / 阅读(144) / 评论(0) 分类 自然百科2011年

Inside the flesh of these tiny animals are microscopic plants called algae, but these aren't parasites. None of this would be here without them. Wachenfeld: When the algae photosynthesize, they take energy from sunlight and carbon dioxide, then make

发表于:2019-01-22 / 阅读(129) / 评论(0) 分类 自然百科2011年

Todd: So, Rebecca, in Australia you have the Great Barrier Reef. Now have you been to the Great Barrier Reef? Rebecca: Yes, I have once, probably about two years ago. There's the main part of the Great Barrier Reef and then there's a little island, a

发表于:2019-01-30 / 阅读(209) / 评论(0) 分类 原版英语对话1000个

November 1st, 1765The Stamp Act takes effect, as Britain imposes a tax on its American colonists. They respond with stiff resistance and Britain later repeals the Act. But the episode sets the stage for the American Revolution a decade later. 1952The

发表于:2019-02-14 / 阅读(113) / 评论(0) 分类 历史上的今天-2010年

November 1st, 1765The Stamp Act takes effect, as Britain imposes a tax on its American colonists. They respond with stiff resistance and Britain later repeals the Act. But the episode sets the stage for the American Revolution a decade later. 1952,Th

发表于:2019-02-14 / 阅读(151) / 评论(0) 分类 历史上的今天-2013年

November 1st, 1765The Stamp Act takes effect, as Britain imposes a tax on its American colonists. They respond with stiff resistance and Britain later repeals the Act. But the episode sets the stage for the American Revolution a decade later. 1952,Th

发表于:2019-02-14 / 阅读(145) / 评论(0) 分类 历史上的今天-2014年

Todd: So, Rebecca, in Australia you have the Great Barrier Reef. Now have you been to the Great Barrier Reef? Rebecca: Yes, I have once, probably about two years ago. There's the main part of the Great Barrier Reef and then there's a little island, a

发表于:2019-02-24 / 阅读(134) / 评论(0) 分类 英语趣味课堂
学英语单词
ABSE (absolute error)
absolute grading standards
Angelica L.
anticipated discount
Anywa
aquatic weed
artuose
banking insurance and estate
barrel roof
bed coke
Benicito, R.
biological transmission
boccaro
Brattmon
break parole
buildingmotion
callosumectomy
chain drive adjustment
Coal River
container transportation
contra-sentient
Contract of Affreightment for Oil
Cripps
Cucumis myriocarpus
decision-making technique
deflection force of earth rotation
diamond point etching
dictyonotus purpurascens
dishevelment
dominant group
drowsing
Ech Chélif, Wilaya
echinothrix calamaris
elevator crank
ELSSE
equisignal glide path
fabiatrin
Fashanu
flying rafter
get into the clutches of
giant folds
going headway
good conductor
Halstad
Hi-Z
high air pressure
Hilgermissen
hilus cells
hydrosalpinges
hypericoides
hypothalamic releasing factor
interbehavior
interior trim
interprogram communication
isentropically
kaopectate
Lufico
Mangfall
measured trajectory
n ary signal
nationalism in music
noise selection
nonpancreatic
noranhydroecgonine
null condition
oblique photogrammetry
oportune
ototoxicities
petty bourgeoisies
Phosphacol
processing technique
pseudacetic acid
pulexes
pulsation variable
pyramid diagram
quick study
quick-access memory
rate theory
redistribution multiplier
retransformant
rip up the back
roseoside
safe navigable speed
safe net
sbn
semen armeniacse dalce
single scintillation radioactive logger
single-shaft type combined cycle unit
Solapur
sportsfan
succulences
superpiezochemistry
synchronous pacemaker
temperature-control system
the tip of the iceberg
three vidicon film camera
Twin Deformation
tyndall effects
ungrandiloquent
waiting signal
warming yang for relaxing bowels
weathered stone