un. 前礁

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(111) / 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(158) / 评论(0) 分类 英语畅谈世界文化

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(133) / 评论(0) 分类 国家地理2008年

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(150) / 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(127) / 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(124) / 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(111) / 评论(0) 分类 自然百科2011年

But the wonky holes will never be completely covered up, because coral cant grow in freshwater. Theyll remain an indelible reminder of the reef's past lives. But the origins of the reef lie even further back in time. And to understand them means crac

发表于:2019-01-22 / 阅读(112) / 评论(0) 分类 自然百科2011年

These destructive waves are as much a part of the reefs life cycle as the animals that inhabit it, and the corals that make it. But out here, there is another miracle. A hundred miles from the coast, In the midst of this huge flat sea, suddenly and w

发表于:2019-01-22 / 阅读(202) / 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(108) / 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(97) / 评论(0) 分类 自然百科2011年

One of the early methods to getting rid of a starfish was to cut them in half, then killing them with a knife, but starfish has this amazing property when they regenerate. Far from killing them, cutting these animals in half actually creates two of t

发表于:2019-01-22 / 阅读(123) / 评论(0) 分类 自然百科2011年

It's an astounding mechanism, but it looks like it's being overwhelmed. Recently, the coral has been telling us that its had enough. Because when it overheats, it self-destructs, expelling the algae that live with them. They turn deathly pale, a proc

发表于:2019-01-22 / 阅读(114) / 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(104) / 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(82) / 评论(0) 分类 自然百科2011年

Where every plant and animal helps sustain the whole.The waste from parrot fish cements the reef. Stinging anemones provide a haven to the vulnerable. Even killers play their part, preventing a population explosion that would destroy this fragile eco

发表于:2019-01-22 / 阅读(121) / 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(130) / 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(105) / 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(185) / 评论(0) 分类 原版英语对话1000个

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(115) / 评论(0) 分类 英语趣味课堂
学英语单词
absence without reasons
acrostolion
Adenstedt
adwa (adowa)
agendae
alfred charles kinseys
Alian Township
amount of money issued
anisomyope
auto-capacity
azo-itch
beginning-block
Bersanian
blimped
Bordet, Jules
bubbleweed
bush bitch
Carter Fell
cell resistance
change of plan
Chernogorsk
circular histogram
cluster diagram
continuate
coolant storage tank
cutting tool coolant oil
cyclocryothermy
dammarane type
danalite
detail lines
dissipative element
electric resistance type temperature indicator
erosion of shoulder
erromeous
evolutionary trap
external control devices
fieldshift
filipstadite
flexon
free states
fund-research
genus Fungia
glassing burner
Gleneagles
grayish-whiter
grossmann
GRST
herpotrichia macrotricha
HFl854
Home I.
icc (interstate commerce commission)
impulse-buy
infamousness
insan
international radium standard
isopotential
Kebbi, R.
key title
Kienbock's phenomenon
Lily Pons
low-smokes
Loz'va
mach numbers
normal codition
nozzle noise
obesus
offiset qpsk (oqpsk)
once-famous
ophioleucinid
orthodromic conduction
penlights
physical chemistry of high polymers
Plagiopteron fragrans
power system analysis
racketlike
ranheim
rectus capitis posterior minor
red branch
rhodopterus
rod-bendings
royster
scooterless
scotograp
sexual hormone disturbance
soil variety
spectral absorption factor
split-fingered fastball
ssfa
star chemistry
stemmadenine
sudaria
tannin vacuole
three-cavity mould
Tirumayam
Trachycarpus caespitosus
track chart indicator
track deformation
transfer pipe
vector matrix
velamen vulvae
Wechsler Adult Intelligence Scale
wonderous