vitality
n[U]
1 persistent energy; liveliness or vigour 活力; 精力; 元气
The dog was bouncing with health and vitality. 那条狗又壮实又活跃, 欢蹦乱跳的.
The ballet sparkled with vitality. 那?quot;爬傥柩莸蒙钇?
2 (fig 比喻) (of institutions, etc) ability to endure or continue functioning (指机构等)维持生存或继续发挥作用的能力, 生命力
The vitality of the movement is threatened. 这个运动的生命力岌岌可危.