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layer turn coding图层转编码layered technique盲分离Layer composition层次构成layered mechanism分层机制layered compounds层状化合物Layer Temperature地层温度layered perpursor层状前（驱）体layer information图层信息Layered silicates层状硅酸盐layer rhizogenous生根层