Scientific American, CBC, BBC and Australia's ABC Radio are great mp3s to get started with, but there's also a million podcasts out there and handfuls of news stations, too.

环球科学、加拿大广播公司、英国广播公司和澳大利亚的ABC无线电广播台都可以成为你用来练习口语的MP3，除此之外，还有数以万计的广播和新闻之声供你练习。

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An upcoming concert tour also had to be canceled because of the 65-year-old singer's worsening medical condition, according to an ABC News radio report.

CNN: Singer Johnny Cash has Parkinson's disease

The complete Slacker Radio experience includes more than 200 expert-curated music stations, customizable programming from ABC News, comedy, custom artist-hosted showcase stations and leading music festival stations along with the ability for listeners to create their own personalized radio stations from a music catalog that is more than 10 times larger than Pandora.

ENGADGET: Slacker now streaming six ESPN stations, Radio and Deportes amongst them