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(489) / 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(516) / 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(395) / 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(491) / 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(507) / 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(487) / 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(478) / 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(433) / 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(418) / 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(471) / 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(426) / 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(421) / 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(440) / 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(427) / 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(420) / 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(449) / 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(468) / 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(464) / 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(586) / 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(416) / 评论(0) 分类 英语趣味课堂
学英语单词
acting upon
An Thanh Thuy
area distribution
assault helicopter
aurila cheejihe
ausubo
barnhams
bean products factory
binary number representation
binyans
boundary
Bregenz
carrot seed oil
coffee extract
consignment floater
continuous heat treating
dearlings
degree of polyemerization
diakite
Dobronovtsy
documentarian
driography
earnts
einion
engine water outlet hose connection
escape time
fibre composition
fitness center
flupoxam
form conjectures upon
gallinippers
general purpose goods vehicle
gormands
gozs
group interaction
grungy
Heumann indigo synthesis
hidradenoma papilliferum
hipposaurids
historical change
hydraulic wave generator
indehiscent
internal marginality
John F.Kennedy National Historic Site
juice lever indicator tube
keratotorus
large-dispacement holography
Laurentide ice sheet
linecasting
lisburne, cape
lubricating wick
magnetic printing ink
main men
meawls
mixture corrosion
moment of transverse inclination
Mookane
nature dry varnish
near midair collision
nonfemales
one's last resting-place
oxygen-poor
painted china
patrol craft large (pcl)
peel failure
peppinesses
photoheliographs
Polamidon
policy primeval soup
poopers
pororate grain
profit-maximization hypothesis
proper seed collecting
propyl propionate
ramadi
rcl
reed meadow grasses
relative complement of set
sarcoceles
saw action fertilizerdistributor
semblably
skovholt
spurious wing
startscummers
statistical thermodynamic method
strand clip
synopathic
terminal devanning
test machine
thyronines
topaze
tradesmen
Tragelaphus
trigonal pyramid of the first order
truters
unproportion
vertical furrow
wakefulnesses
Wanaka, L.
wehunt
what-what
Zellhausen