世界领导人齐聚格拉斯哥讨论气候变化

global warming –n. the recent increase in the world's temperature that is believed to be caused by the increase of certain gases (such as carbon dioxide) in the atmosphere

greenhouse gases –n. (pl.) a number of gasses that trap heat and have been linked to warming in the atmosphere

at stake –idiom in a position to be lost or gained

radical –adj. very new and different from what is traditional or ordinary

opportunity –n. a chance to do something

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