基本解释[經濟學]針尖反曏英汉例句雙語例句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.這個裝置是基於單曏的“時間線”制造的，即過去已經發生的事不能消除。pointing backwards更多例句词组短语短語pointing backwards detail 針尖反曏pointing backwards更多词组专业释义經濟學針尖反曏