Arche阿切archn.拱；拱门；拱状物v.成拱形；拱起adj.主要的；调皮的Archimediann.阿基米得arch blocks木拱楔块arch circle拱圈Archidialesn.无轴藓目archebiosis生物自生Archimedeanadj.阿基米得的arch girder拱形大梁arch thrust拱的轴向压力,拱推力archangelic天使长的arch soffit拱腹