手拣金砾

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(144) / 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(183) / 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(150) / 评论(0) 分类 国家地理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(146) / 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(140) / 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(129) / 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(126) / 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(117) / 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(125) / 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(105) / 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(151) / 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(137) / 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(216) / 评论(0) 分类 原版英语对话1000个

今天在餐厅上班,跟我一起上班的女孩suddently sneezed, 打了个喷嚏,然后大厨Dave在旁边,就问道 你这个喷嚏打到手套上去了吧?(我们工作都要带消毒手套) 才没有呢! 那你是不是打到菜上面

发表于:2019-02-05 / 阅读(123) / 评论(0) 分类 阅读空间

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发表于:2019-02-10 / 阅读(168) / 评论(0) 分类 加州英语分级GK

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发表于:2019-02-10 / 阅读(203) / 评论(0) 分类 加州英语分级GK

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发表于:2019-02-10 / 阅读(214) / 评论(0) 分类 加州英语分级GK

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发表于:2019-02-10 / 阅读(205) / 评论(0) 分类 加州英语分级GK

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发表于:2019-02-10 / 阅读(169) / 评论(0) 分类 加州英语分级GK

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(139) / 评论(0) 分类 英语趣味课堂
学英语单词
abessive cases
active segment table
acute sialoadenitis
alkylurea
associated radius of convergence
back to nature
blastocardia
Brandisia discolor
bridge test car
campyloneis grevillei
carabus nankotaizanus
ceratopogon (isohelea) flaviventris
chloropsina flavovaria
clubs & interests
constant rule
courtship
culverins
distorted alternating current
dniprodzerzhynsk (dneprodzerzhinsk)
Donaustadt
eastern hemisphere
emergency water-supply
fenadiazole
fhimah
fibrous-Tremolite
fire danger
float-and-valve
fragonards
frontocerebellar
genuine
ghost sig-nal
gymnothorax zonipectis
hollow ground on side triangular scraper
hury
inner bead
issu
Isthmian Games
kaylie
Khmer architecture
kinghan
Kohlraush's bridge
kpop
Lawrentiana
Leonese
local test
long-range operation
maico
Mauriceau-Smellie-Veit(maneuver)
megawealth
metadolerite
milrine
mooring and unmooring charges
multibiometrics
natural regeneration
non-performance
olavides
ondulatory
overcope
overexaggerate
overlinked
panendeist
pellere
peninsularity
physcionanthranol
polleys
precanceling
Pruna
prung
pulse starting stability
rib crepe
salicylic acid
sameys
sample fractiles
saracco
screw actuator
self-administered questionnaire method
settlement separate
single in-line package
small strips
snapperhead
speech-act
spray irrigation
spring off
square all debts
St Andrews's cross
strychnia
stuff chest
sulfidations
summer with gain
surface treatment
synoptic coverage
the gloom
thermoprecipitin dianosticum
thick-uns
trans-frontal
Tzaneen
Velika Gorica
venerand
veterinary nursing
vodcasts
Volvocida
wilc