The complex vocalizations of songbirds are learned, not inherited. Some even have regional accents. Wrens, thrushes and other songbirds don't hatch with their impressive musical talents. They learn to sing their extensive repertoires by listening to

发表于:2018-12-05 / 阅读(30) / 评论(0) 分类 英语听力文摘 English Digest

发表于:2018-12-12 / 阅读(52) / 评论(0) 分类 医务英语

The complex vocalizations of songbirds are learned, not inherited. Some even have regional accents. Wrens, thrushes and other songbirds don't hatch with their impressive musical talents. They learn to sing their extensive repertoires by listening to

发表于:2018-12-28 / 阅读(45) / 评论(0) 分类 初学者听力文摘精选

DAVID GREENE, HOST: Today in Your Health, we're taking a close look at chemotherapy. It's been a mainstay of cancer treatment for decades, but that method is slowly being edged aside in medical research as new treatments, like immunotherapy, grab the

发表于:2019-01-08 / 阅读(70) / 评论(0) 分类 2017年NPR美国国家公共电台3月

Following his triumph at the Spring Festival Gala, pianist Li Yundi is now preparing for his latest European concert tour. This week he has been in London, just one of the cities where he will be showcasing his new Beethoven programme in April. Li sa

发表于:2019-02-05 / 阅读(68) / 评论(0) 分类 CCTV9英语新闻2013年03月