名词

1. We were all affected by the vivacity of this lovely little boy.
这个可爱的小男孩的快活使我们都受到感染。

1. 充满生命力,活泼,快活：vivacious 活泼,快活的 | vivacity 充满生命力,活泼,快活 | vivid 活泼,有生气的,生动,强烈,鲜明的

2. 活泼：vivaciously 快活地 | vivacity 活泼 | vivandiere 随军女小贩

3. 快活：vigor#精力 | vivacity#快活 | vulgarity#粗俗

4. 快活/活泼/精神充沛：vivacious /快活的/活泼/ | vivacity /快活/活泼/精神充沛/ | vivandiere /从军女商人/

1. 活力;生气;魅力
If you say that someone has vivacity, you mean that they are lively, exciting, and attractive.

e.g. ...her exceptional vitality, vivacity and wit.
她超出常人的活力、魅力和才智

noun

1. characterized by high spirits and animation