vitality是動詞還是名詞

是名詞，意思是活力、生命力，例如：

1、It was a performance of verve and vitality.這是一場充滿激情與活力的演出。

2、Mr Li said China's reforms had brought vitality to its economy.李先生說中國的改革給其經濟注入了活力。

3、She is bursting with vitality and new ideas.她朝氣蓬勃，滿腦子新主意。