[无脊椎] 脑珊瑚

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(191) / 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(188) / 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(146) / 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(154) / 评论(0) 分类 PBS访谈环境系列

人的脑子不仅是各种思想和情绪的源泉,而且还控制着人体各部门的功能。人脑是人身体上非常关键的组成部份。大概也正是因为这个原因,

发表于:2019-01-04 / 阅读(236) / 评论(0) 分类 美国习惯用语

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(195) / 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(305) / 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(316) / 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(174) / 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(206) / 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(291) / 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(162) / 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(168) / 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(187) / 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(136) / 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(164) / 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(170) / 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(223) / 评论(0) 分类 科技之光

CANBERRA, Sept. 9 (Xinhua) -- Managing other people at work triggers structural changes in the brain, protecting its memory and learning center well into old age, Australia's study revealed on Friday. Australia's University of New South Wales (UNSW)

发表于:2019-02-04 / 阅读(219) / 评论(0) 分类 英语新闻

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(147) / 评论(0) 分类 万物简史
学英语单词
a beauty
a-quarter
after-running
agrobusiness
Aguascalientes, Estado de
alligatoroids
ALLOECOELA
amorphous sentence
antiphilosopher
arange
arcing-ground suppresser
back-coupling
basic calcium hypochloride
be rude to
Bier's anesthesia
business-with
Byng Inlet
Canada Shipping Act
Cheeseman L.
close cycle system
close-seasons
constructivity
counterflow regeneration
craquelure
Damages Arising from Collision
dayworker
Deavgay, Gora
device reserve
DHBEAG
dielectric absosption
document imprinter
drapp
ego integrity
electropneumogram
employment relations
epidermic inclusion cyst
exoelectric
fail in its duty
fernandes
Fraxinus mandshurica
geoeconometrics
glass web
goacher
graphite slipring
half hitches
hinging on
horadiam drilling
Houses of Parliament
Huacrachuco
inedge
intertheoretic relation
johannes vilhelm jensens
jungle crow
lagerstroemine
latching
leisurably
letter ds
makeout
mathematical treatment of economics
meitneriums
menarcheal
moortop
MORBREPT
non-unit liabilities
oblique rectangular parallelopiped
onboard medical monitoring instrument
opening issuing bank
over current time relay
p.n.m.
pace-rated time value
parallel-plate condenser
pelvis angusta
pityriasis capitis
pkg.
protium heptaphyllums
quartzose conglomerate
quiet stress
radio polarimeter
reliability design of system and component
reserve for amortization
routinised
semelitude
simulated road test
single-phase commutator motor
software management system
speed fettling job
square washer with round hole
straight bevel gear
Taihang Mountains
tellinides ovalis
test of normality
three-thow crankshaft
through the instrumentality of
toy spaniels
u.s. industrial film and video festival
Uldum
uncoats
Valaliky
wanton injury
Webification
X-shift-spring
Yūrappu-gawa