substantiation
词形变化：
名词: substantiation | 动词过去式: substantiated | 动词过去分词: substantiated | 动词现在分词: substantiating | 动词第三人称单数: substantiates |
词义辨析：
同义参见:
proof
substantiation
词形变化：
名词: substantiation | 动词过去式: substantiated | 动词过去分词: substantiated | 动词现在分词: substantiating | 动词第三人称单数: substantiates |
词义辨析：
同义参见:
proof