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Welcome to the Voice of America's “News Words”.
欢迎收看美国之音“新闻词汇”。
There have been many stories on climate change and the effect it might have on our planet.
气候变化及其对地球的影响至今已经有许多报道。
You might have heard this word in one of those stories: irreversible.
你也许在其中的某篇报道中听到过这个词：不可逆的。
Rising temperatures will bring more extreme weather, food and water shortages, and irreversible changes to ecosystems that result in coral death, forest loss and species extinction.
不断升高的温度会带来更加极端的天气，食物与水资源的短缺，以及给生态系统带来的不可逆变化。这些变化会导致珊瑚死亡，森林减少，物种消亡。
“Irreversible” means that something that has changed cannot be corrected.
"不可逆的"意为某事发生了改变且不可修复。
Our story talks about the harmful effects climate change, also know as global warming, might have in our world.
世界可能会发生气候变化，气候变化也称全球变暖，我们的报道谈及了它的负面影响。
If there is irreversible damage to the environment, it cannot be fixed.
如果对环境产生不可逆的损害，那么这种损害就是不可修复的。
Now when you hear the word “irreversible,” you'll know what this News Word means.
现在当你听到“不可逆”这个词的时候，你就会知道这个新闻词汇是什么意思了。
