单词	semicircular
释义	semicirclesemicircle /ˈsɛmiˌsɚkəl/ noun [countable] 1 math, geometry half a circle2a group arranged in a curved line, as if on the edge of half a circle:  A semicircle of chairs faced his desk.—semicircular /ˌsɛmiˈsɚkyəlɚ/ adjective
随便看	security service secy. sedan sedan chair sedate sedately sedateness sedation sedative sedentary Seder sedge sediment sedimentary sedimentary rock sedimentation sedition seditious seditiously seduce seducer seduction seductive seductively seductiveness

英语词典包含48224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。