[生态] 珊瑚礁生态学

By Caty Weaver Broadcast: August 8, 2003 This is Bill White with the VOA Special English Environment Report. A new study shows an eighty percent decrease of hard coral in the Caribbean Sea over the pa

发表于:2018-12-01 / 阅读(170) / 评论(0) 分类 VOA2003(下)-环境与健康

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(100) / 评论(0) 分类 41 The Mystery of the Hidden B

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(125) / 评论(0) 分类 国家地理2008年

You may think you are gazing upon a sleepy coral reef in the Caribbean Sea, and of course you are. But hiding in plain sight, is a riving teeming hotbed of erotica , that makes a Hollywood hot up party seem like a trip to the dentist. This is a coral

发表于:2018-12-30 / 阅读(189) / 评论(0) 分类 国家地理2007年

By Mario Ritter Broadcast: October 7, 2003 This is Doug Johnson with the VOA Special English Agriculture Report. Today we finish a two-part series. A listener in Brazil asked about 1)agroecology. This

发表于:2019-01-02 / 阅读(173) / 评论(0) 分类 VOA2003(下)-农业与经济

By Rosanne Skirble Coral reefs are home to the greatest diversity of plant and animal life found in any habitat, anywhere on the earth. But, while they are found in 101 countries and territories, the

发表于:2019-01-03 / 阅读(131) / 评论(0) 分类 VOA2004(下)--健康科技

By Mario Ritter Broadcast: September 30, 2003 This is Steve Ember with the VOA Special English Agriculture Report. This week, we take a suggestion from a listener in Brazil. Agricultural specialist Lu

发表于:2019-01-04 / 阅读(153) / 评论(0) 分类 VOA2003(下)-农业与经济

Human Waste Killing Caribbean Coral In the first documented case of a human pathogen infecting a marine species, U.S. scientists say a bacterium in untreated human sewage is killing coral along the Florida coast and in the Caribbean Sea. The finding

发表于:2019-01-11 / 阅读(120) / 评论(0) 分类 VOA标准英语2011年(八月)

By Chad Bouchard Jakarta 23 April 2007 Scientists have discovered that an earthquake two years ago in Indonesia lifted hundreds of kilometers of sea floor out of the water, causing the largest death of coral reefs ever recorded. As Chad Bouchard rep

发表于:2019-01-12 / 阅读(142) / 评论(0) 分类 2007年VOA标准英语(四月)

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(141) / 评论(0) 分类 2017年NPR美国国家公共电台7月

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 an

发表于:2019-01-22 / 阅读(156) / 评论(0) 分类 自然百科2008年

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(115) / 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(116) / 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(90) / 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(116) / 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(103) / 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(122) / 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(99) / 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(170) / 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(107) / 评论(0) 分类 英语趣味课堂
学英语单词
-inspired
a few good men
abashidze
Alas.
AMPase
apparent moisture sink
banddom
belt filler
burtonwoods
C. W. I.
cable-cars
caste system
centralized update library
chanturia
circumferential fin
classic merchandise
colliding beam accelerator
continuous negative pressure aspiration
contributory profits
conversational processing
dialysate
disards
distribution-box
Drumbo
Druya
duckmoles
dynamic subroutine
elvish
excess baggage revenue
exmatriculating
fast forward control
fender-beam
fiber reinforce thermoplastics (frtp)
first spawner
flow by
follicular hormone
forage harvesting machinery
four-seam fastballs
Francisco Fernandez Cordoba
fritz habers
gaping fault
gastroatonia
glacier bulb
gotos
gyro-meter
haases
hajovsky
hupa
hyzynine
Ibadhism
isopentyl n-butyrate
isurus oxyrhincuss
joints of lower limb girdle
Krampus
law of all-or-none
lr(liquor ratio)
luminosity parallax
magistrals
microeutaxitic
miramonte
modes of intelligence transmission
Myeongdang
naticids
naval auxiliary
oorari
oxengates
oxy-compound
papillary syringocystoadenoma
periprostatic
plagiogyria distinctissima ching
pneogram
pressboards
pride goeth before a fall
primary underwriter of government bonds
prosecutorial
protectorite
Puccinellia arjinshanensis
random layer structure
retardation plate
semi-plant
senns
Shiroishi-gawa
shoot dead
signal(l)ing key
smooth air
stockman
suspension of membership
tech lab
thiemes
Thiersch
toe biters
tripalmate(ly)compound leaf
unmystified
unstaunched
urethral hook
uterus didelphys
vertex symmetry
virtual water
Weisser Main
wife allowance
Zehla
Zeno paradox