分别是Toothbrush, toothpaste, brushing举个例子:在新的一年里,给它买个宠物牙刷和牙膏(别给它买人用的产品),让它每天都刷牙,或一周至少刷两到三次。In the new year, get him a pet toothbrush and toothpaste ( never human products), and make brushing part of his daily routine or at least two to three times a week.