fifteennum.十五
fifteen-membered ring十五元环
fifteen minutes of fame昙花一现的名声
Fifteen Main Collaterals十五络脉
fifteen-ball billiards十五球台球
fifteen-fold binoculars十五倍望远镜
fifteen piglets at a litter一胎十五只小猪
fifteen supergroup assembly超群组合
fifteen largest collaterals十五络
fifteen intervertebral areas十五间
fifteen collateral acupoints十五络穴