基本解释[经济学]针尖反向英汉例句双语例句The device created is based on the idea that "time's arrow, " pointing forward, cannot bend over backwards to undo events that have already occurred.这个装置是基于单向的“时间线”制造的，即过去已经发生的事不能消除。pointing backwards更多例句词组短语短语pointing backwards detail 针尖反向pointing backwards更多词组专业释义经济学针尖反向