海绵橡胶 hǎimiánxiàngjiāo foam rubber Definitions Defs Origin Strokes Stroke Words Sentences Sents 海绵 海綿 hǎimián noun foam rubber porous material made from rubber or plastic used for padding or cleaning橡胶 橡膠 xiàngjiāo noun rubber rubber; caoutchouc; a highly elastic polymer that is waterproof, airtight, and non-conductive
