vivacity

n. 快活,活泼,精神充沛

vitally, vitamin, vitaminize, vitaminise, vitiate, vitiation, viticulture, vitreous, vitrifaction, vitrify, vitriol, vitriolic, vitro, vituperate, vituperation, vituperative, viva, viva voce, vivace, vivacious, vivaciously, vivid, vividly, vividness, vivify, vivifying, viviparous, vivisection, vivisectionist, vixen, vixenish, viz, vizier, vocabulary, vocal, vocal cords, vocalist, vocalize, vocalise, vocally, vocation, vocational,