| 释义 | 
		trac·ing I. \ˈtrāsiŋ, -sēŋ\ noun (-s) Etymology: Middle English, from gerund of tracen to trace — more at trace 1.  : the act of one that traces 2.  : something that is traced or marked out: as  a.  : a copy of a pattern or design made on a transparent sheet superimposed on an original or by use of transfer paper  b.  : a record made by any of several instruments (as an ergogram or cardiogram) that register graphically some movement  c.  : a mark left on the ice by a skate — called also print 3.  : a record of additional entries in respect to a particular item placed on its main entry card in a catalog II. adjective Etymology: Middle English, from present participle of tracen to trace  : used in or for making tracings  < tracing board >  < a tracing machine > |