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Nations from around the world have gathered in Paris for the United Nations Climate Change Conference, COP 21, with the goal of a universal and potentially legally-binding agreement on reducing greenhouse gas emissions.
2017年6月六级真题(第一套)阅读 Section B
英汉双解词典包含4367426条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。