相关单词近义词 principal 主要的, main 主要的, chief 主要的, leading 领导的, head 头部, key 键, core 核心, focal 焦点的, central 中心的临近词Mainow, main, main gredients, Main Code Data, main amplifier, main diaphragm, main formation, main catalogue, main body role, maintransition, Main caretaker, main line code相似词main verb, Maine, Mainer, mainframe, mainly, mainmast, mainsail, mainspring, 返回 mainline