音标:['reidiәupәu'lærә^ræm] ;
放射极谱图

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(94) / 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(90) / 评论(0) 分类 2016年Scientific American(十)月

Climate Change Fires Up Polar Bear Treadmill 气候变化害苦了北极熊 Polar Bears spend most of their time roaming the sea ice in search of seals. And seals spend most of their time underneath that ice, avoiding the top predator. But climate ch

发表于:2018-12-24 / 阅读(59) / 评论(0) 分类 2017年Scientific American(八)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(202) / 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(134) / 评论(0) 分类 儿童英语小故事

本集简介: 罗斯得知前妻(卡萝)有了身孕,于是同卡萝的同志伴侣苏珊一起,陪卡萝参加助产训练班。对窗的丑陋裸男买了局部健身器。罗斯和莫妮卡的父母来吃饭,莫妮卡再次感到巨大压力。

发表于:2019-01-05 / 阅读(85) / 评论(0) 分类 老友记(六人行)

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(46) / 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(77) / 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(55) / 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(112) / 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(70) / 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(62) / 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(73) / 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(60) / 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(67) / 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(60) / 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(61) / 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(78) / 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(82) / 评论(0) 分类 环球英语 Spotlight

Nerver too old to learn 活到老学到老 Put it Into Practice 付诸实践 Skill based learning is useless if it isn't applied. Reading a book on C isn't the same thing as writing aprogram. Studying painting isn't the same as picking up a brush. If

发表于:2019-03-06 / 阅读(204) / 评论(0) 分类 英语听力广播—Listening
学英语单词
adhesion separation or spasm-relaxation
air-gap commutator
aminatu
anglo
annealed-in-process
anterior commissure laryngoscope
basilicatas
basin faucet
Bodal's test
bundesgerichtshofs
Carspach
citizen interest groups (cigs)
cocomposers
color settings
Colquiri
common apex
concentric cylinder circuit
Connemara
crop type
cystocele
designated project
Dihān
discerpibility
dispersion effect
dog-and-pony
ego-tripping
enelectrolysis
errante
eurotia compacta a.los.
every man's meat
excused from a duty
fanfarelike
fat suit
FDDI
feare
fecal-coliform
forward swept wing aircraft
genus Artamus
head-penny
hi-jack
homogeneal
hyperbolic mode
jabo
khalkha, khalkha
kohirabi
lamella roof
laminar insulation
leprosied
limiting wave length
load throw-off test
low fantasy
low-temperature setting
MAB Reserve
make up leeway
management decision making
marblings
Matulan
memorandum bill of lading
memsahib
menometastasis
methyl-isorhodanide
movable control rod
orbital maneuver
pale into insignificance
pivot type davit
polydocanol
porphyrins
praxinoscopes
primack
prism reflector
pro-palestinian
protrusive relation
Pugionium dolabratum
quadruple bond
quartz mill
ratlings
rawin target
reinforced cement-mortar board
resonance epithermal reactor
rickrolled
rivetings
rock-forming element
semi-trailers
silver-foil
sponge tire
standing level
supporting film
topsheet
transparent gateway
transport operator
tuffaceous shale
uraniborg
uranium pentaethoxide
valence alternation
vibrational load
warm condenser
warnings of war
wild cavy
wind-taut
woorali
Yallahs
Ziegler-Natta catalyst