相关单词近义词 pervasion 扩散, infusion 注入, flood 淹没, saturation 饱和, infiltration 浸润, invasion 侵略, spread 传播, penetration 侵入, filtration 过滤, leakage 泄漏，泄漏物..., diffusion 扩散, seepage 泄漏, entrance 入口, impregnation 受孕, percolation 过滤, interpenetration 互相穿透, suffusion 充满临近词perm, Permet 返回 permeation