原级：drone
droning
第三人称单数：drones
过去分词：droned
过去式：droned
1. 嗡嗡声的：drongo 燕卷尾 | droning 嗡嗡声的 | droningly 发嗡嗡声地
1. danci.911cha.com
1. Vuvuzela - the bright colored plastic horns with a monotonous droning sound became the hallmark of the World Cup soccer tournament in South Africa.
911查询·英语单词
noun
1. an unchanging intonation
Synonym: monotone drone