| 释义 |
humhum /hʌm / verb (hum·ming, hummed)- [intransitive] to make a continuous low noise嗡嗡响◆The machine began to hum when I switched it on.我一打开开关，机器便嗡嗡地响起来。
- [intransitive, transitive] (
music音乐) to sing with your lips closed哼（曲子）；哼唱◆You can hum the tune if you don't know the words.如果不知道歌词，你可以把曲子哼出来。
▸ hum noun [countable, usually singular] ◆the hum of distant traffic远处车辆的嗡嗡声 |