Three As三个自动化
threenum.三n.三;三个adj.三个的
three tours a day每日三班
three step method三台阶法
three tone signal三音信号
three lap winding三圈绕组
three ball method测量
Three conversions三化
three-car trick用三张纸牌的猜牌赌博
three grain pilaf综合谷物炒饭
threefold quality三重性
three evil forces三股势力