相关单词近義詞 principal 主要的, main 主要的, chief 主要的, leading 領導的, head 頭部, key 鍵, core 核心, focal 焦點的, central 中心的臨近詞Mainow, main, main gredients, Main Code Data, main amplifier, main diaphragm, main formation, main catalogue, main body role, maintransition, Main caretaker, main line code 返回 mainlining