为了保护牙齿,我们每天都要刷牙,可是有些小朋友不喜欢刷牙。我心想:要是我们拥有会唱歌的牙刷就好了!那样我们每次刷牙的时候,只要拿起牙刷,就能听一首好听的儿歌或一支美妙的乐曲,那多有意思!如果刷牙变得很有趣了,那小朋友们不 In order to protect the teeth, we brush our teeth every day, but some children do not like to brush their teeth. I thought: If we have a toothbrush that we can sing like, so every time we brush our teeth, just pick up the toothbrush, you can listen to a good children’s song or a wonderful piece of music. Very interesting, that children do not