特别是1 ~7岁的婴幼儿，他们大部分活动时间都在室内，而且缺少预防事故和保护自己的能力。

Especially infant and child 1 ~ 7 years, most of the activities of the time they are indoors, and the lack of accident prevention and the protection of their own capabilities.

youdao

特别是1 ~7岁的婴幼儿，他们大部分活动时间都在室内，而且缺少预防事故和保护自己的能力。

Especially infant and child 1 ~ 7 years, most of the activities of the time they are indoors, and the lack of accident prevention and the protection of their own capabilities.

youdao