标签：frequency 相关文章

英语听力文摘 English Digest 522、噪声污染让鲸鱼也hold不住了！

Noise Pollution Is Affecting Whales If a noisy neighbor is blasting music at all hours of the day and night, drowning out your phone conversations and interrupting your sleep, you can call the police. But what is a whale to do? Natural noise from wav

发表于:2018-12-31 / 阅读(61) / 评论(0) 分类 英语听力文摘 English Digest

英语博客-北美风情 56、Expression: Once in a blue moo

图片1 How often do you go to the beach? Everyday? Sometimes? Once in a blue moon? We use the expression once in a blue moon to talk about the frequency of something or how often you do a certain activity. We hope you listen to Culips more than once

发表于:2019-01-28 / 阅读(54) / 评论(0) 分类 英语博客-北美风情

VOA标准英语2009年-Australian Frogs Change Their Tune to Find

By Stuart Cohen Sydney 08 October 2009 Southern Brown Tree Frog sits on a log in swampy lands near Melbourne, Australia (Sept 2009 file photo) Australia's frogs are having trouble finding love. Traffic noise and other sounds of city life, such as ai

发表于:2019-02-20 / 阅读(70) / 评论(0) 分类 VOA标准英语2009年(十月)
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