to drone like certain insects naturally do in motion, or sounding similarly

listen to the pronunciation of to drone like certain insects naturally do in motion, or sounding similarly
الإنجليزية - الإنجليزية
hum

A slight gloom fell upon the table. Jacob was helping himself to jam; the postman was talking to Rebecca in the kitchen; there was a bee humming at the yellow flower which nodded at the open window.