exam

n.考试；检查

ex- prefix., ex-directory, ex-Prime Minister, ex-service, ex-serviceman, ex-soldier, exacerbate, exacerbation, exact, exacting, exaction, exactitude, exactly, exactness, exaggerate, exaggerated, exaggeration, exalt, exaltation, exalted, examination, examine, examinee, examiner, examplary, example, exasperate, exasperating, exasperatingly, exasperation, excavate, excavation, excavator, exceed, exceedingly, excel, excel at, excellence, Excellency, excellent,