attestationn.
英 ,æte'steɪʃən | 美 ,ætɛs'teʃən
中文n. 证明；证据；证实；宣誓
词根词源
attestation (n.)mid-15c., from Middle French attestation and directly from Latin attestationem (nominative attestatio) "an attesting, testimony," noun of action from past participle stem of attestari "to prove, confirm" (see attest).
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