To lightly play a stringed instrument to make a low, steady sound.
He thrummed a soft tune on the guitar.
他在吉他上輕輕彈奏了一首柔和的曲子。
To make a low, steady sound from vibration.
The thrum of the engine filled the garage.
引擎的嗡嗡聲充滿了車庫。
A low, steady sound made by a stringed instrument or vibration.
The thrum of the bass guitar was soothing.
貝斯吉他的低音聲令人感到舒緩。