氟铅矿

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(352) / 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(375) / 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(351) / 评论(0) 分类 国家地理2008年

EXPLORATIONS - Wonders of the World, Part 2 - Natural Wonders By Paul Thompson Broadcast: Wednesday, September 01, 2004 (MUSIC) VOICE ONE: This is Faith Lapidus. VOICE TWO: And this is Steve Ember wit

发表于:2019-01-02 / 阅读(367) / 评论(0) 分类 Explorations

THIS IS AMERICA - Grand Ole Opry Celebrates its 80th Anniversary on Radio By Jerilyn Watson Broadcast: Monday, October 31, 2005 (MUSIC) VOICE ONE: Welcome to THIS IS AMERICA in VOA Special English. I'

发表于:2019-01-02 / 阅读(401) / 评论(0) 分类 This is America

VOICE ONE: This is Faith Lapidus. VOICE TWO: And this is Steve Ember with EXPLORATIONS in VOA Special English. Today we bring you the second of three programs about beautiful and unusual places in our world. Last week, we told about structures built

发表于:2019-01-11 / 阅读(325) / 评论(0) 分类 VOA慢速英语2008年(一)月

By Oliver Chanler Broadcast: July 9, 2003 (THEME) VOICE ONE: This is Steve Ember. VOICE TWO: And this is Shirley Griffith with the VOA Special English program EXPLORATIONS. Today, we tell about a famo

发表于:2019-01-17 / 阅读(497) / 评论(0) 分类 VOA2003(下)-美国人文故事

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(322) / 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(304) / 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(292) / 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(340) / 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(286) / 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(291) / 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(293) / 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(341) / 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(343) / 评论(0) 分类 自然百科2011年

Can you name the Seven Wonders of the World? I cant. Thats because only one of them is still around today. Thats the Great Pyramid of Giza. Some of the other wonders sound great. I wish they had survived. The Hanging Gardens of Babylon sounds amazing

发表于:2019-01-24 / 阅读(370) / 评论(0) 分类 听一分钟英文-S

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(440) / 评论(0) 分类 原版英语对话1000个

By Cathy Majtenyi Nairobi, Kenya 06 December 2007 Kenya's capital, Nairobi, is home to one of Africa's largest dumpsites. A recent United Nations study found that nearly half of the children surveyed who live near the dumpsite suffer from serious med

发表于:2019-02-07 / 阅读(500) / 评论(0) 分类 VOA常速英语2007年(十二月)

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(300) / 评论(0) 分类 英语趣味课堂
学英语单词
accounting for a pooling
adores
age specific survival rate
assembly language subroutine
automorphosis
Bayansayr
Beaver Falls
beijing capital airport
bend elbow handstand
billygram
bioassat
bjorken-feynman scaling
breakfast sausage
bridge instrumentation
Chabaud's mixture
chiasmal
clewis
combinatorist
control of combustion
corona discharge regulator tube
corpusculous
current prepayment
decoding gate
dermatitis artefacta
directed thinking
dysecoia
eldrick
Erigeron porphyrolepis
estab
eudesamin
fast memory
Filter.
flared flange method
flash mixed
fluoradiography
garden machinery
genus Littorina
go into the cabinet
had superiority over
heart-rate-monitor
heracleifolia
inoxidizable
iphition
iris forceps
kilo-sievert
La Villedieu
Lactuca dolichophylla
leave with
limestone coal group
logit curve
mescuite
mobile units
mock strawberry
mode of transducer
Nakafurano
neo-Hegelianism
newarker
nitro-glycerines
nonallied
nonnominal
normal barometric pressure
oil extractor
overpurgation
pareu
phone number of outside site
phytophthora nicotianae dehaan
plurispore
pneumatic saw
point-source of light
pre-icterus stage
preventive services
production family
quenching diagram
radial-flow double-rotation turbine
remote control sub-station
Remote Source-Route Bridging
repolarises
ribbers
ringly
rising market
Rosa wichurana
Russkaya Gavan'
salopek
screen size television
semiautonomously
sociometric description
soleys
splitting of coal seam
Stanislavchyk
synpneumonic
systematacially
tantalum plate atomizer
Teapot Lid
trigger-price equilibrium
troy system
underway replenishment capability
unmitigatedness
vaporizing heat
vidrio
Villalba de Rioja
wet tons
wicket keepers