verificationn.
英 ,verɪfɪ'keɪʃ(ə)n | 美 ,vɛrɪfɪ'keʃən
中文n. 确认，查证；核实
词根词源
verification (n.)1520s, from Medieval Latin *verificationem (nominative verificatio), noun of action from past participle stem of verificare (see verify). Middle English had verifiaunce "confirmation, corroboration" (c. 1400).
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