单词：coral reef sea navigation
单词：coral reef sea navigation 相关文章
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
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
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
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
国家地理2007年
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
VOA2004（下）--健康科技
By Brian Padden Irbil, Iraq 23 August 2006 watch Iraq Christians report The news media often focus on the conflict between Shi'ites and Sunni Muslims in Iraq. But there are other ethnic and religious groups under attack. The small Christian communit
2006年VOA标准英语（八月）
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
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
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
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
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
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
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
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
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
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
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
原版英语对话1000个
China has once again emphasised its support for the freedom of navigation in the South China Sea, but is opposed to wanton navigation in the region. A Chinese military official made the remarks in Vientiane following the defense ministers meeting wit
cctv9英语新闻2016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
英语趣味课堂
China's Ministry of Transport has hosted a groundbreaking ceremony for the construction of two lighthouses on Huayang Reef and Chigua Reef of China's Nansha Islands. In order to enhance navigation capacity in the waters of Nansha Islands, the Ministr
cctv9英语新闻2015年