reverse polarity

例句：

1. 1. The company's decision to reverse its policy on climate change has sparked debate.
   该公司决定逆转其关于气候变化的政策，引发了辩论。
2. 2. The scientist discovered a new method to reverse the polarity of wastewater.
   科学家发现了一种新的方法来逆转废水的极性。
3. 3. The team successfully reversed the polarity of the circuit, allowing it to function correctly.
   团队成功地逆转了电路的极性，使其能够正常工作。