de.cer.ti.fyv.tr.(及物动词)de.cer.ti.fied,de.cer.ti.fy.ing,de.cer.ti.fies To revoke the certification of:收回(或取消)…的证件(或执照):例句:voted to decertify the union.投票取消这个协会【引伸】decer.tifica.tion