The meaning of the English word "toothbrush" and how you use it

Whose toothbrush is this ?

The interactive toothbrush sends brushing data to a smartphone app over Bluetooth .

And finally , the Quip is a well designed electric toothbrush that vibrates

Alarms , trains , traffic lights , video games , toothpaste , all these things were made possible by engineers .

or making sure your toothpaste is just the right balance of chemicals to give you that perfect smile ,

In the Second World War , German scientists from the nuclear industry developed radioactive toothpaste with thorium

She brushes her teeth .