相关单词近义词 sound 声音, enlightened 开明的, educated 受过教育的, literary 文学的, credible 可信的, valid 有效的, well-informed 消息灵通的, au fait 精通的, conversant 熟悉的, in the know 知内情的, well-founded 有根据的, logical 符合逻辑的, understandable 可理解的, justifiable 可辩解的, substantiated 动词substantia..., rational 合理的, reasoned 详尽论述的临近词well, wellworn 返回 well-grounded