极地气象学

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(159) / 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(154) / 评论(0) 分类 2016年Scientific American(十)月

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(276) / 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(220) / 评论(0) 分类 儿童英语小故事

1. Dozens of women and children were killed after an Israeli air strike hit the southern Lebanese town of Qana overnight. Many world leaders are outrage d over the attack and have stepped up demands f

发表于:2019-01-08 / 阅读(195) / 评论(0) 分类 美联社新闻一分钟2006

By Paul Sisco Washington 16 May 2008 The United States Government, Wednesday [May 14] officially added polar bears to the list of threatened animals under the Endangered Species Act. Bush administration scientists decided the species is at risk of be

发表于:2019-01-13 / 阅读(109) / 评论(0) 分类 VOA标准英语2008年(五月)

New Movie Boosts Campaign to Save Polar Bears Polar bears are in trouble. Scientists say only 20,000 remain, and their long term survival could be at risk. The new IMAX movie, To the Arctic, is narrated by actress Meryl Streep. The movie tells the st

发表于:2019-01-13 / 阅读(147) / 评论(0) 分类 VOA标准英语2012年(五月)

Polar Scientist Charts Melting Caused by Climate Change Michael Gooseff follows water to the end of the earth. The Pennsylvania State University hydrologist works in remote regions of the Arctic and Antarctic, where ice and frozen ground are thawing.

发表于:2019-01-14 / 阅读(106) / 评论(0) 分类 VOA标准英语2011年(八月)

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(190) / 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(158) / 评论(0) 分类 英语新闻

雅思口语考试很多同学面临词穷的问题,考官问个问题,就点头答good...再问个问题还是good...一句话形容词重复多次。其实,很多同学并不是词汇量不足,很多时候是不注意积累。下面新东方网

发表于:2019-02-13 / 阅读(151) / 评论(0) 分类 雅思英语

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(128) / 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(136) / 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(121) / 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(124) / 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(138) / 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(126) / 评论(0) 分类 汪培珽儿童英文分级书单《神奇树屋》

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(164) / 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(155) / 评论(0) 分类 环球英语 Spotlight

The standard way to envision this is to imagine yourself at the center of a large carousel and tossing a ball to someone positioned on the edge. By the time the ball gets to the perimeter, the target person has moved on and the ball passes behind him

发表于:2019-02-25 / 阅读(130) / 评论(0) 分类 万物简史
学英语单词
absus
accelerator variable
advance one's salary
anti-rust property
automatic thermoregulation
autopsychical
bayonet point
be agitated about
bentazon
bertele
biological application
boy's day school
broadloomed
button box
caprino
characteristic root test
completely connected algebraic group
conus geographus
cutaneous polyarteritis nodosa
dacryocystostomy
day low
delphinum monanthum hand.-mazz.
dethiers
domain software engineering environment
domeena
double tamper
doughfaceism
ecsenius bathi
ectopia pupillae
euhydration
foreign body needle
frogpad
gaylussacia baccatas
genus Salmonella
give one's word of honour
glass break detector
glass house
grass and cropping rotation
gray wedge sensitometer
group time delay equalizer
guard tree
halahans
have no means of telling
hexahistidine
hypogene metallization
Idris I, (Mohammed Idris Senussi)
impulsive thrust
jocoserious
knowledge accomodation
laydays date
light locomotive
lightning war
lokrou
Lombard rates
low-melting metal phase
LUISS
madame de staels
maximum demand indicator
meke
microhomologies
modified Gallego elastic tissue staining
monoelectronic
mooring template
mtext
myospasia impulsiva
natural aspiration engine
noncancelable lease
northerly
orientation birefringence
Phaeothamniales
plane carrier
planetary-wave formula
plasmacule
Postulatio
pre-runs
program control form
Prychormors'ka Nyzovyna
push button operated valve
revenko
sea sturgeon
secondary fluid calorimeter method
sector cable
sloughing-off cone
speed by RPM
spotted touch-me-not
stereoblock polymer
stick out against
struma follicularis
subsistence crop
talk-ringing key
Ten commandment
tentatively
toroid worm
tugging
twinrix'r
uranum-head method
user-designed terminal
vacuum-indicator
Valvula semilunaris posterior
walrus teeth
wheel-clamp
zato coding system