1.可数或不可数[C;U]the ability to imagine想象力:The story shows plenty of imagination.|a vivid/fetile imagination
2.可数[C]the mind 脑子想出来的事,想象;空想:The difficulties are all in your imagination.
3.不可数[U]infml someting only imagined and not real[非正式]想象出来的东西;幻想物:Her pains are mostly pure imagination