vitality
/vaɪˈtælətɪ/noun
mass noun
1- the state of being strong and active; energy活力：
changes that will give renewed vitality to our democracy.
将给我们的民主带来新的活力的变革。
1.1
- the power giving continuance of life, present in all living things生命力; 生存力：
the vitality of seeds.
种子的生命力。
词源
late 16th cent.: from Latin vitalitas, from vitalis （see VITAL）.