Action to restore appropriate price incentives, notably through corrective carbon pricing, is urgently needed to lower the risk of irreversible and potentially devastating effects of climate change.
出自-2017年6月阅读原文
After that, the damage is done and is highly irreversible.
2015年12月六级真题（第一套）听力 Section C
Cambridge scientist Peter Wadhams who's been measuring and monitoring the Arctic since 1971, says the decline is irreversible.
2016年6月六级真题（第一套）听力 Section C
柯林斯高阶英汉双解学习词典释义
ADJ
不可逆转的;不可挽回的;不可撤销的
If a change is irreversible, things cannot be changed back to the way they were before.