科学家正在研究人类肝脏的再生能力。

Scientists are studying the ___regeneration ability of the human liver.

这场音乐会给人们带来了精神上的重生与希望。

The concert brought a sense of spiritual ___regeneration and hope to people.

这个老城区的再生项目包括新的公园和公寓楼。

The ___regeneration project in this old district includes new parks and apartment buildings.

外星人展示了惊人的再生能力，在受伤后完全恢复了身体。

The alien demonstrated amazing ___regeneration, healing its body completely after being injured.