极圆盘式(反射望远镜)

2018年CRI Polar bears starve as Arctic sea ice melts

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(354) / 评论(0)

2018CRI中国国际广播电台

科学美国人60秒 SSS Polar Bears Can't Just Switch to Terrestrial Food

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(342) / 评论(0)

2016年Scientific American(十)月

国家地理:Polar Bears 北极熊

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(478) / 评论(0)

国家地理2007年

儿童英语小故事 57. Polar Bears Need Help

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(436) / 评论(0)

儿童英语小故事

工作如何

A:How's work today? 今天工作如何？ B:It's been a crazy day today.First, I was 1-hour late,you know,the traffic is really bad,Then I got yelled by my boss. 今天可真疯狂。我先是迟到了一

发表于:2019-01-03 / 阅读(283) / 评论(0)

英语抢先学

中学英语课程标准词汇表（简易袖珍背诵版）D2

dial ［5daiEl］vt. 拨（电话号码） redial重拨 dialogue［5daiElC^］ (美 dialog) n. 对话 diamond ［5daiEmEnd］n. 钻石，金刚石；纸牌中的方块 diary［5daiEri］ n. 日记；日记

发表于:2019-01-09 / 阅读(453) / 评论(0)

英文语法词汇

北师大小学英语六年级上--unit5（2）

[00:02.71] [00:06.33]Listen to This [00:09.68]Write the number [00:12.85]1.This computer isn't working. [00:17.24]You should turn it on first! [00:20.87]2.I want to use the Internet. [00:25.15]You should ask your parents to help you. [00:29.55]3.Is t

发表于:2019-01-09 / 阅读(525) / 评论(0)

北师大版小学英语六年级上

Polar Explorer

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(377) / 评论(0)

Weekender

闭着眼睛飘单词四级词汇22

[0:0]discourage disgust disk dismiss [0:46.4036]disorder display disposal dispose

发表于:2019-01-16 / 阅读(362) / 评论(0)

闭着眼睛飘单词四级词汇

Paul Simon, Yo-Yo Ma share Polar Music Prize 2012

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(359) / 评论(0)

英语新闻

TED演讲:曝光政府腐败的战斗(3)

Well, that's not exactly the story, because the problem was that Parliament delayed and delayed releasing that data, 呵呵，但我讲述的并不是很完整的故事。因为问题在于，议会不断地拖延公布这些信息， and then they t

发表于:2019-02-13 / 阅读(348) / 评论(0)

TED演讲国际问题篇

环球英语 — 119：Sign Two: Polar Bears

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(315) / 评论(0)

环球英语 Spotlight

【英语语言学习】万维网

ROBERT SIEGEL, HOST: These days, there's very little you can't find on the World Wide Web, but we have a story now about one important piece of the Web's own history that has gone missing, and no search engine will find it. NPR's Geoff Brumfiel repor

发表于:2019-02-16 / 阅读(361) / 评论(0)

英语语言学习

英语读物《神奇树屋》第十二册 Polar Bears Past Bedtime 04 Snow House

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(331) / 评论(0)

汪培珽儿童英文分级书单《神奇树屋》

英语读物《神奇树屋》第十二册 Polar Bears Past Bedtime 05 You're It!

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(289) / 评论(0)

汪培珽儿童英文分级书单《神奇树屋》

英语读物《神奇树屋》第十二册 Polar Bears Past Bedtime 06 Flying Bears

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(294) / 评论(0)

汪培珽儿童英文分级书单《神奇树屋》

英语读物《神奇树屋》第十二册 Polar Bears Past Bedtime 07 spirit lights

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(323) / 评论(0)

汪培珽儿童英文分级书单《神奇树屋》

China's new polar icebreaker to launch in 2013

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(392) / 评论(0)

英语新闻

使用电脑必懂的53个英文单词和缩写

PC：个人计算机Personal Computer CPU：中央处理器Central Processing Unit CPU Fan：中央处理器的散热器(Fan) MB：主机板MotherBoard RAM：内存Random Access Memory，以PC-代号划分规格，如PC-133，PC-1066，PC-2700 HDD：硬

发表于:2019-02-18 / 阅读(377) / 评论(0)

实用英语

环球英语 — 222：Polar Bear Swimmer

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(375) / 评论(0)

环球英语 Spotlight

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