| 释义 | 
		authenticateauthenticate /ɔˈθɛntɪˌkeɪt/ verb [transitive] VERB TABLEauthenticate |
 | Present | I, you, we, they | authenticate |   | he, she, it | authenticates |  | Past | I, you, he, she, it, we, they | authenticated |  | Present perfect | I, you, we, they | have authenticated |   | he, she, it | has authenticated |  | Past perfect | I, you, he, she, it, we, they | had authenticated |  | Future | I, you, he, she, it, we, they | will authenticate |  | Future perfect | I, you, he, she, it, we, they | will have authenticated |  
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 | Present | I | am authenticating |   | he, she, it | is authenticating |   | you, we, they | are authenticating |  | Past | I, he, she, it | was authenticating |   | you, we, they | were authenticating |  | Present perfect | I, you, we, they | have been authenticating |   | he, she, it | has been authenticating |  | Past perfect | I, you, he, she, it, we, they | had been authenticating |  | Future | I, you, he, she, it, we, they | will be authenticating |  | Future perfect | I, you, he, she, it, we, they | will have been authenticating |  
    1to prove that something is real and not a copy:  a company that authenticates works of art2to prove that something is true:  The Loch Ness Monster’s existence has not been authenticated.—authentication /ɔˌθɛntɪˈkeɪʃən/ noun [uncountable]  |