音标:[ˈkɔrəlz] ;
n. 珊瑚( coral的复数形式 ); 珊瑚虫
n. a variable color averaging a deep pink
n. the hard stony skeleton of a Mediterranean coral that has a delicate red or pink color and is used for jewelry
n. unfertilized lobster roe; reddens in cooking; used as garnish or to color sauces

Aboriginal people would have lived here too. Hunting the wildlife in areas that are now deep underwater. Then the end of last ice age, ice of the poles melted and sea levels rose all around the round flooding this lowline coast. This happened nearly

发表于:2018-12-26 / 阅读(254) / 评论(0) 分类 自然百科2014年

They respond to touch, temperature, currents, and the cycles of the sun and the moon. And their tiny movements combined to give each colony a rhythm of its own.The polyps can't build the reef alone. For this, they need parterners that are even smalle

发表于:2018-12-26 / 阅读(254) / 评论(0) 分类 自然百科2014年

This bleaching occurs because corals can only live in a narrow temperature range, healthy corals get their color from microscopic algae living in their tissues, these manufacture food for the corals by photosynthesis, but when the temperature rises j

发表于:2018-12-26 / 阅读(197) / 评论(0) 分类 自然百科2014年

JUDY WOODRUFF: The Great Barrier Reef along the coast of Australia is considered one of the greatest natural wonders of the world. It actually consists of more than 2,900 smaller reefs and 900 islands and countless species of fish. But its health and

发表于:2018-12-31 / 阅读(242) / 评论(0) 分类 PBS访谈环境系列

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

发表于:2019-01-06 / 阅读(253) / 评论(0) 分类 2006年VOA标准英语(八月)

[00:11.00]READING AND SPEAKING [00:12.96]Marine turtles are among the oldest animals on our planet. [00:17.29]They have lived in the earths oceans for over 100 million years, [00:21.94]but are now close to disappearing. [00:24.29]Of the seven existin

发表于:2019-01-10 / 阅读(369) / 评论(0) 分类 高中英语人教版必修第三册

[00:11.00]READING AND SPEAKING [00:12.96]Marine turtles are among the oldest animals on our planet. [00:17.29]They have lived in the earths oceans for over 100 million years, [00:21.94]but are now close to disappearing. [00:24.29]Of the seven existin

发表于:2019-01-10 / 阅读(388) / 评论(0) 分类 高中英语人教版必修高三

Experts say one-third of the oceans' coral reefs face extinction by the middle of the century if nothing is done to save them. The reefs are home to a vast array of sea creatures, which experts say would also be endangered by the loss of the reefs.

发表于:2019-01-11 / 阅读(250) / 评论(0) 分类 VOA标准英语2008年(七月)

VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Bob Doughty. VOICE TWO: And I'm Faith Lapidus. This week, we will tell about newly-found organisms that are said to be among the oldest living organisms on Earth. And, we will tell a

发表于:2019-01-11 / 阅读(314) / 评论(0) 分类 VOA慢速英语2009年(五)月

BOB DOUGHTY: This is SCIENCE IN THE NEWS in VOA Special English. I'm Bob Doughty. FAITH LAPIDUS: And I'm Faith Lapidus. Today we tell about threats to coral reefs and some new discoveries about these ancient, biological structures. (MUSIC) BOB DOUGHT

发表于:2019-01-11 / 阅读(346) / 评论(0) 分类 2010年VOA慢速英语(八)月

AS IT IS 2014-05-08 Climate Change Destroys Coral Reefs 气候改变毁坏珊瑚礁 Hello, my friends, and welcome back as we work together to improve your American English. Im Jim Tedder in Washington. Today we will learn more about our changing cli

发表于:2019-01-12 / 阅读(245) / 评论(0) 分类 2014年VOA慢速英语(五)月

Study: Great Barrier Reef Adapted Well to Past Climate Change 大堡礁很好地适应过去的气候变化 Corals on the Great Barrier Reef adapted to greater temperature changes in the past than previously thought, a new study finds. The reef is on

发表于:2019-01-14 / 阅读(269) / 评论(0) 分类 VOA标准英语2014年(六月)

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(269) / 评论(0) 分类 2017年NPR美国国家公共电台7月

A baby G,only a centimeter in length,that will one day grow into a giant,over 2 meters long.Most reef animals have tiny babies like these,carried at the mercy of the currents.Many have some ability to direct themselves and even the young corals can s

发表于:2019-01-22 / 阅读(220) / 评论(0) 分类 自然百科2014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(237) / 评论(0) 分类 自然百科2011年

SCIENCE IN THE NEWS - A Study of Young Coral Could Assist Efforts to Protect ReefsBy Jerilyn Watson, Lawan Davis, Jill Moss and Cynthia Kirk Broadcast: Tuesday, May 16, 2006 (MUSIC) VOICE ONE: This is

发表于:2019-01-30 / 阅读(269) / 评论(0) 分类 2006年慢速英语(五)月

SCIENCE IN THE NEWS - Study Measures Environmental Damage from Human Activities By Shelley Gollust Broadcast: Tuesday, April 19, 2005 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special Eng

发表于:2019-01-30 / 阅读(295) / 评论(0) 分类 科技之光

These are difficult inconsistencies. 这些都是难以解释的矛盾地方。 As Richard Fortey observes: Somehow it does not seem satisfying just to call them 'lucky ones' and leave it at that. 正如理查德福泰所说:仅仅把它们称做幸运

发表于:2019-02-13 / 阅读(193) / 评论(0) 分类 万物简史
学英语单词
abdominous
adulterising
allowed defect
aluminium wedge
anisotropic plate
appenzellers
arsenoardennite
athas
author-craft
backstrom
bactrocera correcta (bezzi)
basket-wound coil
behavioural geography
blenderization
Boophilus australis
cargo tonnage
common genders
crask inn
cross hair cursor
cultivating equipment
cylindrical collector
Debove
di-hexosan
diaphragm case
diatom structure
dimension of a linear system
dramatizations
dropping dryer
dual venturi carburetor
ductings
emperishment
enpair
Eriachne pallescens
Erythrineae
floury product separation
frediano
full core fibre
Gautama
genital tuft
gully head erosion
hassanein
Hicks's trade cycle theory
homebot
huodan pills
hypo-albuminemia
hypophysial cachexia
Ingoda
interpleading
Jewry
job master
joinders
Kiwanis International
laryngeal ventricle
leukocytic tumor
level line
lieux
Linford
local grain coarsening
London equations
long term treatment
lycopsid
maltby
manufacturing companies
membranously
n-chimaerin
nonjoinder
nonloving
ornithine decarboxylase inhibitor
peach flower flakes
peristomice
PETG
plane-wave decomposition
polyonyx obesulus
pornoholics
Porter's Five Forces
Potok Złoty
primeval atmosphere
pustular eczema
rcia
SBIRS
scanning point
skein winding
stop solution
subdenominations
supernal
tackless
taverner
Tchuprow-Neymann allocation
test for independence
time-variant scaling
Tupiratins
ude
ultrasonic web-break detector
uneven terrain
unreclaiming
unvirtuate
vestock
wax budding tape
well-operated
white-noise generator
widow women
Wy-4036