单词	O level
释义	O level noun 1 : the lowest of three levels of standardized British examinations in a secondary school subject also : successful completion of an O-level examination in a particular subject called also Ordinary level compare a level, s level 2 a : the level of education required to pass an O-level examination b : a course leading to an O-level examination Word History First Known Use 1949, in the meaning defined at sense 1
随便看	checks off checks off on checks on checks out checks over checks through checks up on checkstones checkstrap checksum checksums checkup checkup man checkups checkweigher checkweighman checkwork checkwriter checky cheddar Cheddar pink cheddars cheddite cheddites cheder

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