UN Report Urges Speedier Action to Avoid Climate Disaster 联合国敦促各国开发绿色能源 避免发生气候灾难 WASHINGTON The world must switch from fossil fuels to cleaner energy sources to control the effects of climate change, a new Un

发表于:2019-01-14 / 阅读(50) / 评论(0) 分类 VOA标准英语2014年(四月)