平顶礁

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(286) / 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(308) / 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(304) / 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(281) / 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(260) / 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(240) / 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(243) / 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(253) / 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(323) / 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(263) / 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(220) / 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(244) / 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(250) / 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(241) / 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(219) / 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(285) / 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(276) / 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(270) / 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(371) / 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(251) / 评论(0) 分类 英语趣味课堂
学英语单词
additional neccessary condition
amsler
as flat as a frying pan
atz
auricyanide
autocatalyzing
autopagnosis
bacillicidal
Badaga
bearing running-in layer
Bismarck brown Y
bivouacks
black marks
bond strength
burgeonest
castellite (titanite)
Cedrus deodara G. Don
cheese trier
cheilio inermis
chickenfight
clean-up reactor
coating layer thickness
computational proteomics
constant term
cruising speed
ctts
curve lining
data-set receiving-timing (dr)
database analysis
de panne
dichloromalonic acid
diffusion donstant
digital evaluation of a measured value
Dioscorea poilanei
divergent lens
draft mode
duty paid certificate
edo period
ESPI (electronic speckle pattern interferometry)
existing record
expressnet
external calibration
external multitubular heater
felsyte
fir tree
flabellums
flow in network
foaming substance
foreign currencies declaration
forepractices
genicular articular rete
glance round
greber
growth hormone releasing factor
had a hard job to
hairline rule
hyper threading
iike
in-vitro activity
integrating ammeter
jaw-dropping
lead-lined door
leaving time
length for butt seam inspection
lenns
macrorheology
Maleventum
mannobiose
masako
meritocrats
monoatomic acid
Mont. & B.
movement differential
nature angle of repose
net margin of start/stop apparatus
non-rusting alloy
nonbosonic
oral society
orifice restriction
orthobaric volume
Perämeri(Bottenviken)
positive landform
primigenal
rolicyclindine
Rothwell
shchukins
shower rose
sneak path
Sotacor
standard specific volume
step-up authentication
stock deposit and withdrawal
strikebreak
syntactic type
tuliptree
type of metamorphism
underchurched
unprotestantizes
uterine siblings
vibratory rammer
vilankulo
Xin Qiji