v.指弹；敲打；乱弹；轻敲n.织边；织余；线头；纱头 变形： 复数：thrums过去式：thrummed过去分词：thrummed现在分词：thrumming第三人称单数：thrums 英英释义： thrum[ θrʌm ]n.a thrumming sound"he could hear the thrum of a banjo"v.sound with a monotonous hum同义词：humsound the strings of (a string instrument)同义词：strumm