柯林斯词典toothbrush /ˈtuːθˌbrʌʃ/ (toothbrushes) 1. N-COUNT A toothbrush is a small brush that you use for cleaning your teeth. 牙刷 返回 toothbrush剑桥词典a small brush with a long handle that you use to clean your teeth 牙刷 返回 toothbrush