极性研究

VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Bob Doughty. VOICE TWO: Crabeater seals lying on the ice in Paradise Bay, Antarctica, in a 2005 photo And I'm Faith Lapidus. This week, an American study shows a link between air pol

发表于:2018-12-07 / 阅读(93) / 评论(0) 分类 VOA慢速英语2007年(二)月

By Paul Sisco Washington 28 February 2007 watch International Polar Year Thursday, March 1st, is the official start of the International Polar Year. The international research and educational effort officially runs till March 2008. At least 50,000 s

发表于:2018-12-08 / 阅读(133) / 评论(0) 分类 2007年VOA标准英语(二月)

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(126) / 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(129) / 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(239) / 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(169) / 评论(0) 分类 儿童英语小故事

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(81) / 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(116) / 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(89) / 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(141) / 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(116) / 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(104) / 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(113) / 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(88) / 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(98) / 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(107) / 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(102) / 评论(0) 分类 汪培珽儿童英文分级书单《神奇树屋》

REYKJAVIK, Aug. 18 (Xinhua) -- China will launch its first international Arctic cooperation and research institute in Shanghai, sources attending a Sino-Iceland workshop told reporters here. The workshop on Arctic studies was held Friday as part of t

发表于:2019-02-18 / 阅读(112) / 评论(0) 分类 英语新闻

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(117) / 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(122) / 评论(0) 分类 环球英语 Spotlight
学英语单词
3DECG
a calculated risk
ADTAC
affictitious
akoo
archive diskette
Arnegard
belco
Bestuzhevka
bildungsromans
bonnet valve
bottom bounce
breeding plumage (or summer plumage)
brevoortia
bubble control
bullet splash injury
call forwarding on mobile subscriber not reachable
carboxymethyl cellulose
co-assurer
computer environment
concrete reinforcement
conshocken
cotton yarn in bank
crest working off-state voltage
danggui longhui pills
Display Power Management Signaling
disregardful
Double-headed arrow
douck
draft stage
electro-optic frequency response
electronic-electronic energy transfer
English galingale
esthesiometers
feel up to something
fiber board
four-bus
genus corixas
Great Dark Spot
holding up
Hooke's law of elasticity
ichnologist
in twain
Indian rubber
inverted rotary converter
keratan sulfate
kesrouans
kosygin
Kākdwīp
l-ps
Leontopodium franchetii
m.w
medium-scale data utilization station (mdus)
Melitopol
mineral particle
multimodal therapy
mvula
New Rightist
nominal diameter of roller
Nonpersistence
nutmeg geraniums
obliquus set
oil supply ship
oropharyngeal isthmus (isthmus faucium)
outbound path
outside skin type container
Parisien, Bassin(Paris Basin)
paronomastic
passive oxide
phasing capacitor
poisonwoods
pontospinal tract
pregrade
principle of microscopic reversibility
pullion
rainless
Ramesses
reconstituted
recording pen linkage
red-wing
reduced calcine
Rivers, Joan
rush sb into danger
service population
sheer plate
simple network
sobere
sociodemographicss
Solusi
stalk muller
sub-preceptor
subpubic hernia
sukkahs
theft-proof
true horizon
twenty-minute egg
ubi infra
underwater sound apparatus
vena plantaris lateralis
Venturi jet
Waddenzee, Wadden Zee