Humm胡姆humn.嗡嗡声；哼声；杂声v.发低哼声；哼(曲子)；活跃int.哼；嗯（用以表示犹豫）hummocky bedding波状层理hum cancellation哼声消除humic fertilizer腐殖酸肥料humie substances腐殖质hum noise tester哼声测试器humic substances腐殖质Humboldt Current亨博尔特海流Humberto Mariles马里勒斯hum bucking coil哼声阻遏线圈humnistic spirit人文精神