substantiate

substantiate

过去式:substantiated

过去分词:substantiated

现在进行时:substantiating

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:

certify  verify  uphold  justify  testify  corroborate  strengthen  confirm  ratify  prove  back  
英语宝典
考试词汇表