baby-watch

例句：

1. 1. The baby-watch is a device that monitors the activities of infants.
   婴儿监视器是一种监测婴儿活动的设备。
2. 2. The baby-watch helps parents keep track of their child's sleep patterns.
   婴儿监视器帮助父母跟踪孩子的睡眠模式。
3. 3. The baby-watch is a popular choice for parents who want to keep an eye on their baby's movements.
   婴儿监视器是那些想观察孩子动作的父母的热门选择。