three pads三支撑掌
threenum.三n.三;三个adj.三个的
three-head milling machine三轴铣床
three hundred and ninety two(=392) 三百九十二
Three-Dimension Innovation三维创新
three-dimensional textbook立体化教材
three people make basketball三人制篮球
three-in-one brake valve三合一制动阀
three brace of partridges.三对鹧鸪。