noun 下载 🔗分享 活力,生机勃勃。 The quality or state of being vivacious. Examples : "The vivacity of the young children playing in the park was contagious. " 在公园里玩耍的那些孩子活力四射,极具感染力。 quality character mind emotion 与AI对话词汇游戏阅读练习