详细解释:vt. 使实体化, 证实
【经】 确证
词型变化：
名词:substantiation动词过去式:substantiated过去分词:substantiated现在分词:substantiating第三人称单数:substantiates英语解释：
动词 substantiate:
establish or strengthen as with new evidence or facts同义词：confirm, corroborate, sustain, support, affirm