单词	ca.
释义	ca.ca. (also ca British English) a written abbreviation of circa (=about):  dating from ca. 1900
随便看	half-crazed half crown half-cut half-day half day half dollar half-hearted half-heartedly half-holiday half-hour half-hourly half-length half-life half-light half-mast half measures half moon half nelson half note halfpenny half pipe half price half-price half-sister half step

英语词典包含52748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。