threefoleadj.三倍;增加二倍;三重的;三方面的;三次adv.三倍;增加二倍;三重地;三方面的;三次
threenum.三n.三;三个adj.三个的
three-island vessel三岛形船
Three Gods in one God在一位神中有三位神
three spheres theorem三球面定理
three-level package[计] 三级组装
three interacting jet三作用射流
three parallel rivers“三江并流”
three-pointlighting三点照明
three-in-one cell三试件压力室
three-range winding三列绕组
three-state network三端口网络