基本解释n.后退距离同根派生 英汉例句There is no backway for me anymore.How can it be so painful. 我每天吃的有限，穿的有限，花的也可以有限，但是开心必须无限。5.It is not beyond your principle,do not say that absolutely,you should make a backway instead. 5.;又不是原则上的事;别把话说得太决绝了;要留有余地。