1, "Some little lions lie on the top of the big lion's head, as if to express their respect and worship for the big lion." This sentence expresses the action of the little lion and the meaning behind it, that is, the little lion respects and worships the big lion.

2. "Some little lions lie on top of the big lion, as if enjoying the warmth and protection of the big lion." This sentence emphasizes the comfort of the little lion lying on the top of the big lion, and also implies the protection and warmth of the big lion.

3. "Some little lions lie on the top of the big lion's head, as if to show their close relationship and dependence with the big lion." This sentence expresses the action of the little lion lying on the head of the big lion and the meaning behind it, that is, the close relationship and dependence of the little lion on the big lion.