隔音材料 的中文句子和英文句子

木棉一种绢状纤维，从木棉树的果实中提取出来，用作隔音材料，也可用作枕头，褥垫和救生用具中的垫料

A silky fiber obtained from the fruit of the silk-cotton tree and used for insulation and as padding in pillows, mattresses, and life preservers.