two cusped arch双: two; twin; both; dual尖: pointed; tapering尖拱: acute arch; composite arch; cusped arch; equilateral arch; lancet arch; ogive; point arch; pointed arch; tierce point双尖: amphicone尖拱腭: gothic palate下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:双尖拱，即可在微信中查询翻译
