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	sealyhams seam seam binding seam blasting seam face seam roller seam set seam squirrel seam strap seam strip seam weld seam welding seam-rent seaman seaman apprentice seaman gunner seaman recruit seamanite seamanlier seamanliest seamanlike seamanly seamanship seamanships seamark

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。