空想家

例句：

1. 1. He is a daydreamer who spends his days imagining fantastical worlds.
   他是个梦想家，整天幻想着奇幻的世界。
2. 2. The young girl was a daydreamer, always daydreaming about her future.
   那个年轻的女孩是个梦想家，总是幻想着她的未来。
3. 3. As a daydreamer, he often finds himself lost in thought and unable to focus on the present.
   作为梦想家，他常常沉浸在自己的幻想中，无法专注于现在。