acoustic, optimistic, promotional, children, public broadcasting, Double Eleven, whistle, Mall, ukulele, happy, interesting, jolly, energetic, lively, life, bouncy, easy
声音，乐观，促销，儿童，公共广播，双十一，吹口哨，购物中心，夏威夷四弦琴，快乐，有趣，快乐，充满活力，活泼，生活，有弹性，容易