单词：hawfinches
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单词：hawfinches 相关文章
On October 4th, the Iraqi Security Forces supported by the U.S.-led Global Coalition to Defeat ISIS, liberated the town of Hawija and over 150 surrounding villages from ISIS, along with as many as 85,000 civilians who had been trapped there. Hawija w
VOA标准英语2017年(10月)
When youre looking for a table in a crowded cafeteria, you probably give wide berth to the family that sounds like its sharing a big dish of whooping cough. Well, not if youre a house finch, particularly a male. Because a study in the journal Biology
Scientific American(二)月
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Some people are worried that the more we learn about genetics, the closer well get to a day when we can choose all sorts of characteristics for our bab
Scientific American(三)月
(THEME) ANNOUNCER: Im Doug Johnson with PEOPLE IN AMERICA in VOA Special English. Today we tell the story of a musician who led one of the most popular American bands during the nineteen thirties and forties. His name was Artie Shaw. Listen for a few
名人轶事
Finches Seek Out Sick Dining Companions A study in the journal Biology Letters finds that male finches prefer dining next to a sick bird despite the risk of infection, probably because the lethargic companion is less likely to engage in food fights.
60秒科学
EXPLORATIONS - November 13, 2002: Volcanoes and Haleakala National Parks in Hawaii By Paul Thompson VOICE ONE: This is Steve Ember. VOICE TWO: And this is Sarah Long with the VOA Special English progr
Explorations
Vice President Joe Biden gave a hint to the Obama administration's attitude toward relations with Russia in a Feb. 7 foreign policy speech in Munich, Germany. US Vice President Joe Biden addresses International Conference on Security Policy in Munic
VOA标准英语2009年(二月)
The new Obama administration appears to be taking tentative steps towards resuming dialogue with Syria, while the key step of sending a new U.S. ambassador to Damascus for the first time in three years remains up in the air. A visit by Senate Foreig
VOA标准英语2009年(二月)
在生活中每个人都免不了会有举棋不定、犹豫不决的时候。那就用得上我们今天要学的两个习惯用语来描述这样的局面了。 第一个习惯用语是：hem and haw。在这儿hem和haw这两个词都是模拟人们
美国习惯用语
Finches Can Learn to Sing Differently Than Their Genetics Dictate In the most recent podcast we discussed how baby bats learn their callsfrom all the other bats in their crowded colonies. And we mentioned in passing that songbirds usually get tutored
2018年科学美国人1月
Jennifer Glasse | London 09 April 2010 Spring is in the air at London's Barbican Center and the birds are making music, literally. A band of zebra finches is playing electric guitars and cymbals in a walk through area of the arts center. These zebra
VOA标准英语2010年(四)月
Isolated finches still produce what are called innate or isolate songs. A specific tune might be taught, but the instinct to sing seems to be hardwired into a songbird's brain. Innate songs sound different from the cultured songs learned from other f
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