| 释义 |       past tense of back (up)    1      as in testified (to)       testified (to)     bore out     vouched (for)     verified     validated     witnessed     confirmed     corroborated     authenticated     vindicated     certified     attested     avouched     substantiated     argued     guaranteed     supported     affirmed     warranted     asserted     documented     established     averred     declared     reinforced     avowed     professed     proved     demonstrated     reenforced       See More   contradicted     refuted     disproved     denied     rebutted     challenged     gainsaid     contested     disputed     questioned     disclaimed     disavowed     2      as in hardened       hardened     coagulated     set     clotted     congealed     gelled       See More   run     flowed     ran     rolled     issued     poured     arose     sprang     disembogued     sprung     emanated     streamed     rushed     raced     coursed     effused   |