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B | ”他还说,可以预见的是,由于氧气供应设备及资源主要集中于战区,乌克兰将出现氧气短缺的问题。 (ECNS) -- Ronald Sakolsky, a retired U.S. teacher, stood once again in China's Mu Us Desert on Monday, planting three saplings alongside environmentalist Yin Yuzhen and her husband Bai Wanxiang. The moment renewed a friendship forged 26 years ago when Sakolsky donated $5,000 to help Yin battle desertification and planted a tree with her. That single act has since grown into a forest of more than 50,000 trees, transforming barren sand into green cover. "It's a miracle," Sakolsky said, gazing at the forest. Yin recalled the years of struggle against shifting dunes, saying the return of her old friend symbolized how persistence and cooperation can change landscapes.
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C | 此外,乌克兰新冠疫苗的接种覆盖率也较低。(海外网 李萌)
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