| 词源 |
certificate n.early 15c., "action of certifying," from French certificat, from Medieval Latin certificatum "thing certified," noun use of neuter past participle of certificare "to make certain" (see certify). Of documents of certification, testifying to the truth of the facts stated, from mid-15c.; especially a signed document attesting to someone's authorization to practice or do stated things (1540s). updated on October 29, 2017 |