whirrred

1.[i]嗡嗡地响；呼呼地响to make a continuous low sound like the parts of a machine moving

The clock began to whirr before striking the hour.钟在打点前先嘎啦嘎啦地响起来。

1.[ususing]嗡嗡声；呼呼声a continuous low sound, for example the sound made by the regular movement of a machine or the wings of a bird

the whirr of a motor发动机的嗡嗡声

There was a whirring of machinery.有机器发出的嗡嗡声。