单词 track pad 释义 track pad, n.Brit. |trak pad|, U.S. |trk pd|[‹ track n. + pad n.3]1. A protective pad of rubber, polyurethane, etc., fitted to the tracks of a vehicle. Usu. in pl.1914Wall St. Jrnl. 5 Mar. 7/2 The Public Service Commission has author...