单词	sematic
释义	se·mat·ic (sĭ-mătĭk) adj. Serving as a warning or signal of danger. [From Greek sēma, sēmat-, sign.]
随便看	O'Connor O'Connor ocotillo OCR Ocracoke Island ocrea OCS oct- oct. Oct. oct- octa- octa- octad octadic octagon octagonal octagonally octahedral octahedrally octahedron octal octameter octane octane number

英语词典包含135693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。