Thebasicmeaningof“pet”isananimalwekeepforemotional(情感的)ratherthaneconomicreasons.Apetanimalis__1__asacompanionandweallneedcompanionstokeepasfeelinghappy.__2__petsoffermorethanmere(only)compa |
小黑屋/人人终身学习知识网~是各类综合知识资源信息分享,提升综合素质与提高知识技能的终身学习网络平台
Powered by 5wangxiao
© 2007-2021 5wangxiao.Com Inc.