refund 过去式:refunded 过去分词:refunded 现在进行时:refunding 词形变化: 形容词: refundable | 名词: refunder | 动词过去式: refunded | 动词过去分词: refunded | 动词现在分词: refunding | 动词第三人称单数: refunds | 词义辨析: 同义: vt.偿还 repay reimburse pay back