极地大陆气团

The concept of obtaining fresh water from icebergs that are towed to populated areas and arid regions of the world was once treated as a joke more appropriate to cartoons than real life. But now it is

发表于:2018-12-15 / 阅读(181) / 评论(0) 分类 新东方背诵文选

A new study has found that the Arctic's iconic polar bears are finding it harder to hunt for food due to melting sea ice caused by climate change, putting the species at a growing risk of extinction. Researchers from the United States Geological Surv

发表于:2018-12-24 / 阅读(178) / 评论(0) 分类 2018CRI中国国际广播电台

When the Arctic Ocean freezes over in the autumn, polar bears set off in search of their favorite meals: fatty ringed seals and bearded seals. By the summer, the sea ice begins to melt and break apart. Deprived of access to the tasty seals, polar bea

发表于:2018-12-24 / 阅读(171) / 评论(0) 分类 2016年Scientific American(十)月

The concept of obtaining fresh water from icebergs that are towed to populated areas and arid regions of the world was once treated as a joke more appropriate to cartoons than real life. But now it is being considered quite seriously by many nations,

发表于:2018-12-30 / 阅读(147) / 评论(0) 分类 考研背诵50篇

Seventy-nine degrees north latitude is near the top, at the cold edge of the world. In the winter, when temperatures plunge below freezing, there is complete darkness at noon. During summer, the sun shines at midnight, there is no place to hide. Dang

发表于:2018-12-30 / 阅读(296) / 评论(0) 分类 国家地理2007年

She worries a lot. She worries about polar bears. They are big, white bears. They live in the north. They need snow. They need ice. They need cold weather. There is too much pollution. Pollution heats up the Earth. Heat melts the ice. The ice is the

发表于:2018-12-31 / 阅读(245) / 评论(0) 分类 儿童英语小故事

This is IN THE NEWS in VOA Special English. Next week is the one hundredth anniversary of the Paris Air Show, the biggest in the world. It takes place every two years, and organizers say even with the economic downturn they expect a full house. Airb

发表于:2019-01-11 / 阅读(108) / 评论(0) 分类 VOA慢速英语2009年(六)月

General Motors will close four truck factories and move to make more cars. Also, airlines are retiring older planes and cutting flights and jobs. Transcript of radio broadcast: 05 June 2008 This is the VOA Special English Economics Report. There was

发表于:2019-01-11 / 阅读(181) / 评论(0) 分类 VOA慢速英语2008年(六)月

BBC Learning English Weekender Polar Explorer Amber: Hello, I'm Amber, and youre listening to bbclearningenglish.com. In Weekender today, we listen to an interview with explorer, Rosie Stancer. In March, Rosie sets off on her latest expedition walki

发表于:2019-01-16 / 阅读(210) / 评论(0) 分类 Weekender

STOCKHOLM, May 8 (Xinhua) -- The 2012 Swedish Polar Music Prize was awarded to the American singer-songwriter Paul Simon and the Chinese American cellist Yo-Yo Ma, the prize committee said in a statement on Tuesday. For five decades, Paul Simon has b

发表于:2019-02-09 / 阅读(178) / 评论(0) 分类 英语新闻

Voice 1 Thank you for joining us for todays Spotlight. Im Rebekah Schipper. Voice 2 And Im Joshua Leo. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 Sib

发表于:2019-02-14 / 阅读(143) / 评论(0) 分类 环球英语 Spotlight

The dogsled skimmed silently over the frozentundra. The seal hunter ran alongside it. Sometimeshe cracked his whip against the ice. The snowdrifts looked like giant white sculptures asthe sun slipped behind the frozen hills. Then a fullorange moon ro

发表于:2019-02-17 / 阅读(145) / 评论(0) 分类 汪培珽儿童英文分级书单《神奇树屋》

The dogs were barking wildly at two smallcreatures playing in the moonlight. Polar bear babies! cried Annie. One roly-poly cub leaped onto the other. Then theyboth rolled through the snow. Hi, little bears! Annie called. The cubs jumped up and shook

发表于:2019-02-17 / 阅读(136) / 评论(0) 分类 汪培珽儿童英文分级书单《神奇树屋》

The cubs whimpered louder. They want to go to her, but they're afraid of theice, whispered Jack. Annie petted the cubs. Don't be afraid, she told them. You'll get back toyour mother.The big polar bear growled. She paced back andforth, sniffing the ai

发表于:2019-02-17 / 阅读(132) / 评论(0) 分类 汪培珽儿童英文分级书单《神奇树屋》

Jack, you can get up now, said Annie. Jack opened his eyes. Annie was standing over him. She still had her mask on. We're on safe ground, she said. Jack felt as if he'd been dreaming. He lookedaround. They had reached the tundra at the edge ofthe fro

发表于:2019-02-17 / 阅读(153) / 评论(0) 分类 汪培珽儿童英文分级书单《神奇树屋》

Now only the moon shone on the snow. Jack looked around for the polar bear. She was gone. Where'd she go? asked Annie. I don't know, said Jack. He looked over thetundra. There was no sign of the giant bear or hercubs. Maybe she's not interested in sc

发表于:2019-02-17 / 阅读(142) / 评论(0) 分类 汪培珽儿童英文分级书单《神奇树屋》

Matt and his wife lived in the country. Matt was very stingy and hated spending money. One day a fair came to the nearby town. Let's go to the fair, Matt, his wife said. We haven't been anywhere for a long time.Matt thought about this for a while. He

发表于:2019-02-18 / 阅读(230) / 评论(0) 分类 趣味英语

今天我们要讲的习惯用语都有air这个词。大家都知道air是空气。早在十七世纪,意大利科学家伽利略发现空气似乎没有实质却有重量。后来人们进一步发现高山顶上的空气要比海平面上的空气

发表于:2019-02-18 / 阅读(249) / 评论(0) 分类 美国习惯用语

BEIJING, June 21 (Xinhua) -- China will launch a new icebreaker for use during an upcoming 2013 polar expedition, a senior oceanic official said on Tuesday. Both the new icebreaker and Xuelong (Snow Dragon), an icebreaker that operated in Antarctica,

发表于:2019-02-18 / 阅读(190) / 评论(0) 分类 英语新闻

Voice 1 Hello, Im Marina Santee. Voice 2 And Im Ruby Jones. Welcome to Spotlight. This programme uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 A tall man stands s

发表于:2019-02-21 / 阅读(174) / 评论(0) 分类 环球英语 Spotlight
学英语单词
acrylic lens
affrenghtment
aluminum acetotartrate
Ammodiscacea
arm shaft
aster daisy
auxiliary mechanism
axial flow reversing gas turbine
baiks
Bolshekrepinskaya
bottom discharge dredger
Buy American
cattle food
commissura hippocampi
conventional spelling
convivially
corer and sizer
corium papilla
Crossley
damping-coefficient
density of imperfection
descriptive sampling survey
deutocerebrums
differential pressure switch
direct connected mower
direct read-out equatorial weather satellite
disaster struck household
disinslave
Diuriwas
dome dam
Dover, Pt.
downpipe
duty partially remitted
earthstorm
effervescingly
emergency mold
equery
exhaust capacity
feedback message
fibrosarcoma
first train
fly-rod
free tank classifier
give his change
gribben
grossed weight
guanaco wool
hindooisms
I-n-Touft
incrassant
integrating mechanism
intellable
internal cause
Jasminum yuanjiangense
kleons
Kuweit Shipping Company
laminated hoook
magnifying lens
Mercedes Norte
Meskiana, Oued
metaframework
minimum latency code
monolithic tie
nickin'
object-oriented
off the radar
operating error
opisthaptor
otosalpingitis
periphallic organ
phage exclusion
pisces (fishes)
polyamide-imide
pushing in
relativities
resorcinol formaldehyde resin
rotor banding
ruthenium telluride
sarris
ship statics
Siemens Martin process
slab-type apartment house
small wonder that...
smearing function
sound reflection coefficiency
start-stop distortion
steel sheet pile breakwater
survey in rotation
symplastic growth
tap web
temperature independent core
tenuring
teshirogilite(ilmenorutile)
Use first
vloggin'
vulneratio
water service installation
william webster
work head
world-famed
writing out
xerothermography