layeredadj.分层的；有夹层的动词layer的过去式和过去分词形式.layern.层vi.分层vt.将某物堆积成层layered assessment分层评估layered settlement分层沉降layer manufacturing分层制造layered manufacture分层制造layer short circuit层间短路layer equilibration层平衡layered soft-soil成层软土layer of insulation隔离层layers sand chamber层状砂箱Layered cooperation分层协作