Layers
来自Big Physics
Middle English (denoting a mason): from lay1 + -er1. The sense ‘stratum of material covering a surface’ (early 17th century) may represent a respelling of an obsolete agricultural use of lair1 denoting quality of soil.
Middle English (denoting a mason): from lay1 + -er1. The sense ‘stratum of material covering a surface’ (early 17th century) may represent a respelling of an obsolete agricultural use of lair1 denoting quality of soil.