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 distinct layers三个明显层
Three-Self movement三自运动
Three men in a basket三人同篮
three-column ledger三栏式总账
three-step approach三步法
three-phase furnace三相电炉
three-tier councils三层议会
three deflective sign三偏征
three tourism markets三大旅游市场
three hundred and one(=301) 三百零一