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The United Nations is observing World Food Day (Saturday, Oct. 16). Food prices have been climbing in recent months because of bad weather in several major agricultural regions. Experts predict there will be more extreme weather as climate changes, j
发表于:2019-01-08 / 阅读(507) / 评论(0)
VOA标准英语2010年(十)月
VOA标准英语2010年(十)月