The Hum

The Hum is a phenomenon, or collection of phenomena, involving widespread reports of a persistent and invasive low-frequency humming, rumbling, or droning noise not audible to all people. Hums have been widely reported by national media in the UK and the United States. The Hum is sometimes prefixed with the name of a locality where the problem has been particularly publicized: e.g., the "Bristol Hum" or the "Taos Hum".

单词	Low frequency noise
释义	Low frequency noise 原声例句双语版 TED-Ed 演讲精选 These sizable sound-collectors help the jerboas sense low frequency noises, and keep cool by radiating heat. 这些体型巨大的声音收集器帮助长耳跳鼠感知低频噪音，并通过散热保持凉爽。英语百科 The Hum The Hum is a phenomenon, or collection of phenomena, involving widespread reports of a persistent and invasive low-frequency humming, rumbling, or droning noise not audible to all people. Hums have been widely reported by national media in the UK and the United States. The Hum is sometimes prefixed with the name of a locality where the problem has been particularly publicized: e.g., the "Bristol Hum" or the "Taos Hum".
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Low frequency noise

The Hum