Babies sleep for up to eighteen hours a day.People have no idea how important sleep is to their lives.

来源:学生作业学帮网 编辑:学帮网 时间:2024/06/09 03:25:34

Babies sleep for up to eighteen hours a day.
People have no idea how important sleep is to their lives.

1)婴儿每天都要睡18个小时
2)人们不知道对婴儿们来说睡觉到底有多重要