n.层; 表层; 层次; 阶层v.把…分层堆放 复数：layers过去分词：layered现在分词：layering过去式：layered第三人称单数：layers 牛津词典 noun 层；表层a quantity or thickness of sth that lies over a surface or between surfacesA thin layer of dust...

发布时间：2025-08-23 浏览量：40