The b b sounds ? digital baby scale monitors the progress of your baby ' s physical development . it enables you to track your baby ' s growth by accurately measuring her weight and length 它其实是一组婴儿生长曲线管理计，除了秤重的功能，它内建有美国婴儿标准生长曲线，只要输入身高，秤重后可显示婴儿的生长曲线百分比(请注意这是美国国家标准，亚洲人口数据不一样喔
