beat.ern.(名词)One that beats, especially a device for beating:敲打者,尤指用于敲打的工具:例句:a carpet beater.地毯敲打物A person who drives wild game from under cover for a hunter.驱赶猎物的人:为猎人将藏于隐蔽处的野生动物驱赶出来的人