细绒毛动物外层浓密的长毛下生长的短而细的绒毛；细软绒毛或内层绒毛

细绒毛动物外层浓密的长毛下生长的短而细的绒毛；细软绒毛或内层绒毛的英文翻译

基本释义

• a growth of short,fine hairs underlying the longer and thicker outer hairs of an animal's coat; underfur or underwool