| 释义 |
〔foam〕Any of various light, porous, semirigid or spongy materials used for thermal insulation or shock absorption, as in packaging.海绵：如打包时用于隔热或吸震的轻质蜂状半硬性或海绵状材料〔semihard〕Intermediate between hard and soft:半硬的：硬度介于坚硬和柔软之间的：〔beaverboard〕A light, semirigid building material of compressed wood pulp, used for walls and partitions.木纤维板：由木浆压制成的一种轻的、半硬的建筑材料，用作墙和隔板 |