undercoated

核心释义

1. 1.

   (穿在外衣里的)上衣；(动物的长毛下面的)绒毛；下层绒毛；vi. (给...)涂底漆；(给...)上内涂层

   v cover with a primer; apply a primer to；s (of motor vehicles) having a coating of tar or other rustproof material applied to the underside

下层绒毛