单词：time of migration (birds)
单词：time of migration (birds) 相关文章
You may have spotted V-shaped squadrons of geese heading south this fall. But for many migrantslike smaller songbirdsnighttime is the right time, when it comes to migration. Winds are gentler. And darkness helps them avoid airborne attacks. Of course
2016年Scientific American(十二)月
(WB) As Dr. Miller mentioned, we're trying to recruit volunteers for the Hawk Mountain Sanctuary. But before I get into the details of the volunteer program, I'd just like to tell you a little about what we do there. One of our main jobs is to keep
托福听力短文
Unit 3 Text A Pre-reading Activities 1. Before you listen to the passage, predict the words that are missing in the printed version of the passage. Then when you hear the passage, mark where you hear
21世纪大学英语读写教程
AS IT IS 2014-02-13 South Africans Find a New Way to Live 南非人寻找一种新的生活方式 Hello and welcome back. Im Jim Tedder in Washington. Today we travel to South Africa to see how the other guy lives. We will introduce you to a man who
2014年VOA慢速英语(二)月
Chinese scientists have stepped up monitoring of bird migration paths to prevent the deadly H7N9 bird flu strain from spreading. The move comes as birds in the south have already started to fly north. According to the China Wildlife Conservation Asso
英闻天下
01. She is head over heels in love with you. 她全心全意地爱上你了。 02. You are a confident and energetic go-getter. 你是一个自信、热情又能干的人。 03. You are always the center of affention. 不管在哪儿，你总是大家关
英语口语最炫潮流
Last year, I took up the hobby of birding or birdwatching after my friend took me out to observe some birds out near the lake. Basically, birding involves observing birds in their natural habitat. (Actually, you don't need to leave your backyard to o
空闲时间—In Your Free Time
World Penguin Day happens on or around April 25th each year. This is the time when millions of penguins migrate north. Unlike other birds that migrate each year, penguins do not fly. Instead, they walk, or waddle to their new home and breeding ground
世界节假日博览
World Penguin Day happens on or around April 25th each year. This is the time when millions of penguins migrate north. Unlike other birds that migrate each year, penguins do not fly. Instead, they walk, or waddle to their new home and breeding ground
英语课程学习计划和讲义
Red couplets, red lanterns, red paper-cuts, red fireworks, red Chinese knots and more there's even red underwear. But it's not just red that's all around there are rats, rats and more rats. According to the Chinese lunar calendar, the upcoming Sprin
英语新闻视频
This mother bear's experience gives her family a good chance of survival until spring arrives. They will return again and again as the thaw releases more fish. On the warmer plains and valleys that surround the plateau, grazers are on the move. They
自然百科2012年
This is Scientific American's 60-Second Science, I am Karen Hopkin. This'll just take a minute. Biologists, traditionally track migrations by tagging animals with devices that allow their movements to be monitored. But Homo sapiens can't be fitted wi
Scientific American(六)月
Migrating Birds Can't Find Their Way Home 迁徙候鸟无法找到回家的路 Scientists say a huge percentage of bird species are in danger because their habitats, or homelands, are disappearing. Traditional migration paths take birds through count
2016年VOA慢速英语(一)月
Out on the plateau,new-born chiru are vulnerable to predators, so their mothers must try to hide and protect them. The most recent problem faced by the chiru is the new Tibet-Qinghai railway, which cuts right through their traditional migration route
自然百科2010年
CANBERRA, Aug. 31 (Xinhua) -- Australia's new chief medical officer, Professor Chris Baggoley, on Wednesday said Australian should not be worried about reports that a mutant strain of the deadly bird flu virus is spreading across Asia and beyond. On
英语新闻
By Luis Ramirez Bangkok 03 September 2007 Researchers say studies do not confirm whether wild birds are carriers of the H5N1 bird flu virus. VOA's Luis Ramirez reports from Bangkok, where experts are gathering this week to figure out better ways to t
2007年VOA标准英语（九月）
It has long been known as ESP, Spider Sense, or the ability to see things before they happen. 一直以来，第六感也被称为超感知觉、蜘蛛感应，也就是预知未来事物的能力。 But now scientists have proved that human really d
大学四六级阅读
New Words: trailer n. 预告片； Antarctica n. 南极洲 penguins n. 企鹅； intrepid adj. 无畏的； spectacle n. 景象；场面；奇观； Flying Penguins 会飞的企鹅 It's a BBC prank, this one was a trailer for a nature documentary exp
卡卡课堂早餐英语
Track One I am a bird watcherI have been watching birds since I was four years old in the UK and Denmark where I lived later 我是一个野鸟观察者自我四岁起在就英国以及随后居住的丹麦观察鸟类。 When I came to Beijing I fou
英语PK台
Bird-watching 鸟类观察 All aflutter 群情激动 Britain's largest conservation society is ruffling feathers 英国最大的鸟类保护组织现在面临着成员流失的危险。 ON January 24th and 25th around half a million people were expec
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