Through the comparison of groups of things that are close to children's daily life, this book allows children to know what is slippery, what is stuck, what the feeling of sliding and sticking are respectively, and at the end, they can feel the warmth of family.
本书通过一组组贴近孩子日常生活的事物的对比，让孩子知道什么东西滑，什么东西扎，滑和扎分别是什么感觉，并在结尾感受到家庭的温暖。
本书通过一组组贴近孩子日常生活的事物的对比，让孩子知道什么东西滑，什么东西扎，滑和扎分别是什么感觉，并在结尾感受到家庭的温暖。
