Munchkin's innovative Bottle & Nipple Brush is two brushes in one!

芒奇金的创新 Bottle & Nipple Brush 是二合一的刷子！

youdao

The dentist recommended two brushes a day.

牙科医生建议每天刷两次牙。

youdao

Depend, didn't thought of them three still really have two brushes!

靠，没有想到他们三个还真有两把刷子！

youdao

If you want to try it out at home, you will need a rubber hand, two small make-up brushes and a something threatening such as a fake syringe.

BBC: David Gregory-Kumar: The rubber hand experiment

Though still classic in design (some have two and three heads to make veins and layers), the length and type of hair for the brushes have been changed to accommodate water-based paint, which the industry has embraced in place of oil-based paint.

WSJ: An Artisan Who Can Turn Paint into Stone | Creating