n.底漆( primer的名词复数 )；打底剂；火帽；雷管 英英释义： primern.an introductory textbookany igniter that is used to initiate the burning of a propellant同义词：fusefuzefuseefuzeeprimingthe first or preliminary coat of paint or size applied to a surface同义词：flat coatgroundprimingp