英语词汇hum的发音释义、词根词缀、结构分析、同源词、词频及词根记忆法-英语词根词缀词典

词汇	hum
词根词缀	词源： late 14c., hommen "make a murmuring sound to cover embarrassment," later hummen "to buzz, drone" (early 15c.), probably of imitative origin. Sense of "sing with closed lips" is first attested late 15c.; that of "be busy and active" is 1884, perhaps on analogy of a beehive. Humming-bird (1630s) so called from sound made by the rapid vibration of its wings."There is a curious bird to see to, called a humming bird, no bigger then a great Beetle." [Thomas Morton, "New English Canaan," 1637] 词根记忆： v. 哼曲子;发嗡嗡声;忙碌n.嗡嗡声,嘈杂声She hummed a song to herself.她独自哼着一首歌.
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