警報器
防走失背包
追奶
貼紙書
親子餐廳
親子共讀
積木
產後瘦身
教養
拼圖
戒夜奶
副食品

Your Teeth Are Unique

Teeth are the hardest substance of your entire body. Enamel is a rock-hard mineral! Unlike bones, te...

Teeth are the hardest substance of your entire body. Enamel is a rock-hard mineral! Unlike bones, teeth can’t heal themselves or grow back if they suffer damage. Each tooth in your mouth has its own unique profile, and teeth also vary widely from person to person. So your smile really is a true mark of your individuality!    Interesting facts about teeth:  https://learning.covoji.com/curious-world/your-teeth/