threesn.祝你走运
threenum.三n.三;三个adj.三个的
three-gun三电子枪
three rooms三间屋
three areas三大地区
three tiers三层
three-plyadj.三层的;三重的;三股的n.三重;三股;三层夹板
three trees三腿梯子
three belts三带
three stageadj.三级的
three seals三方图章
three balls当铺