单词	arc back
释义	arc back [机] 逆弧
随便看	oral area oral argument oral arithmetic oral arm oral atrium oral auction oral-aural oral auscultation oral availability oral-b oral bacteria oral bacteriology oral biography oral biology oral briefing oral bundle oral calculation oral cancer oral cancers oral candidiasis oral-care oral cavities oral cavity oral cavity mucous membrane oral cavity mucous membrane papillae 一瓢颜回陋巷一瓯月露心魂醒一生一死交情处一生大笑能几回一生好入名山游一生自是悠悠者一生遂向空房宿一男附书至一番凄楚一番怀古大曲大書大有り大有リ大望大望大木大本大本大本営