补丁礁;礁斑

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(293) / 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(313) / 评论(0) 分类 英语畅谈世界文化

But even he has his limits. On the reef, there seem to be an almost infinitely variety of ways of feeding, some fish even cultivate their own food. So they're very protective of it. There's one fish species that is so good at defending its particular

发表于:2018-12-26 / 阅读(218) / 评论(0) 分类 自然百科2014年

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(308) / 评论(0) 分类 国家地理2008年

A young man came home from work and found his bride upset. I feel terrible, she said. I was pressing your suit and I burned a big hole in the seat of your trousers. Forget it, consoled her husband. Remember that I've got an extra pair of pants for t

发表于:2019-01-02 / 阅读(316) / 评论(0) 分类 英文笑话

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(284) / 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(264) / 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(247) / 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(247) / 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(269) / 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(227) / 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(252) / 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(253) / 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(248) / 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(224) / 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(290) / 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(281) / 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(276) / 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(377) / 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(256) / 评论(0) 分类 英语趣味课堂
学英语单词
3-heptanecarboxylic acid
5-isoandrosterone
A. L. R.
absolute electromagnetic unit
absorption of idle capacity
analysis machine
arrow stem
Arthrogastra
automatic level control
ballyhooligan
basamaize
base-modifications
bisciotti
brigantiaea leucoxantha
butt-loads
canonisings
Capparis
carbon-arc welding
castoreums
ceratium praelongum
chicken tacoes
cloth store
Combustion Engineering standard reactor
compound value
compulsory purchase
criminal network
cumulative distribution function
day of grace
DC dialing
differential interferometry
drop weight rammer
elevated coast
facetted boulder
fattish
felt blistering
fonz
Galeorhinus zyopterus
gap sizing
gastric diastole
gelatin
gobet
guilt-trips
hashes
Hebrewwise
hemisphere
hirundichthys rondeletii
iliofibularis
illegal procurement of foreign exchange
inductive dynamometer
integrated flight and fire control
intraphase
j.b.s
Lilium tenuifolium
mass source
max flow min cut theorem
maximization of structural parameters
meristogenous
mesh connected circuit
method by stair-case wave
millimeter-wave contrast guidance (mcg)
modified rubber
motor transport cost scope
multi-choices
N-nitroanilin
natural illumination
nitropropanes
oil-fired power plant
on the port beam
ovulatory phase
paint spray-gun
pneumatic positioning relay
pre-pressurize
predacious
process model
rapaciousnesses
RBC/P
remote job receiving and dissemination
rerolled rail
resident driver
rete Malpighi
Roaf's methods
roughness of river beds
San Isabel
satellite data collection system
Scheuchzeria palustris
shaft drilling machine
shared resource text processing
software modularity
strysik
subadnate
superficial keratitis
tension brake lever
thermionic vacuum gauge
tiptons
transistor power gain
tubercula ephippii
unimprovably
us on
ventriculus quintus
welding gun
winter worm
youthlike