Babies sleep for up to eighteen hours a day.People have no idea h_英语解答

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

人气：262 ℃　时间：2020-06-03 12:42:34

解答

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