clad.ding
n.(名词)A metal coating bonded onto another metal under high pressure and temperature.覆层:在高温高压下结合到另一金属上的金属外层A protective or insulating layer fixed to the outside of a building or another structure.覆面:固定到一座建筑物或其它结构上的保护层或绝缘层
来源:Earlier [clothing] 较早期 [覆盖物] possibly from clad 2可能源自 clad2