felted

动词 felt:

1. mat together and make felt-like
   同义词：felt
2. cover with felt
   同义词：felt
3. change texture so as to become matted and felt-like
   同义词：felt, felt up, mat up, matt-up, matte up, matte, mat

形容词 felted:

1. made by combining fibers with a binder using heat and pressure