layersn.层名词layer的复数形式.layern.层vi.分层vt.将某物堆积成层layer molecule层状分子layered texture层状结构layer corrosion片状腐蚀layer equalizer分层均衡器Layered defense分层防御layer impedance层间阻抗layer reduction分层约简layer operation层操作layer of carbon碳渣层layered ceramic层状陶瓷