tiern.排；行；层；等级v.（使）层层排列tiered benches层凳tier structure多层构架建筑tiered seating成排的座位tiered burners分层布置的喷燃器,分层布置喷燃器tierra caliente高山暖温带tierra templada高山温带tiers in market市场层次tiered approach层次划分Tier II capital二级资本tiered teaching分层教学