"expanded polystyrene looks like a rigid white foam and is used as packing or insulation"
以上来源于: WordNet
N a synthetic thermoplastic material obtained by polymerizing styrene; used as a white rigid foam (expanded polystyrene) for insulating and packing and as a glasslike material in light fittings and water tanks 聚苯乙烯
词组短语
应用推荐