第一: first; primary; foremost; fi ...层: I storey; tier; stratum焊: weld; solder第一层焊道: root pass最后一层焊道: capping bead第一层: first story; first tier; ground floor; the first floor地下第一层: basement first第一层帘布: first ply第一层能力: level i ability第一层漆: first coat第一层网关: l1gw level-gateway第一层职位: tier i post第一层锥面: first layer cone第一层中间辊: first intermediate rolls调入到第一层: test.swf第一层次的变革: first order change; order change第一层次三年学位: first level three-year degrees第一层快取存储器: l1 cache第一层帘线裂缝: cord split in first ply第一层帘线弯曲: crooked cords on first ply第一层职位人员: tier i officer漆革第一层涂料: daub coat一层: a layer or deck; one story or floor (of a multi-story building); a stratum; a bed 薄薄的一层泥土 a thin layer of clay; 街道上的一层冰 a layer of ice on the street; 大楼中低于路面的一层 the basement storey [story]; 排成一层一层的蜂房 beehives arranged in storeys第一层次三年学位课程: first level three-year degrees即为你的直接下线（第一层）: direct referrals
