单词	supplementary angle
释义	supplementary angle noun : one of two angles or arcs whose sum is 180° —usually used in plural Word History First Known Use circa 1924, in the meaning defined above
随便看	cuprammonium cuprammonium rayon cuprammonium solution cuprea bark cuprene cupreous Cupressaceae cupressaceaes cupressi cupressineous cupressinoxylon Cupressus cupressuses cupressusses cupri- cupric cupric acetate cupric ammonia complex cupric chloride cupric citrate cupric hydroxide cupric oxide cupric sulfide cupriccer cupriccest

英语词典包含469781条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。