What does "wrapped up" mean?

Native speaker’s answer
Rebecca
"Wrapped up" in this sentence means to have all your focus, dedication and interest towards something. In this video he is asking what would happen in the world if China would be completely dedicated towards science; he is wondering what the world would be like if China made the majority of scientific discoveries. Ex: He is so wrapped up in his work. Ex: The cats are wrapped up in the new toy.