标签：奉献树 相关文章

国家地理-2008-06-26 Mozambique's Better Biofuels 莫桑比克：麻疯树生产绿色柴油

With rising fuel prices, more attention is turning to biofuels. But (the) use of food crops for biofuel raises the concern of food shortages. But one non-food biofuel source is gaining attention. Just inland from the southern Mozambique beach resort

发表于:2018-12-30 / 阅读(139) / 评论(0) 分类 国家地理2008年

英语听力：自然百科 Mozambique's Better Biofuels 莫桑比克：麻疯树生产绿色柴油

With rising fuel prices, more attention is turning to biofuels. But (the) use of food crops for biofuel raises the concern of food shortages. But one non-food biofuel source is gaining attention. Just inland from the southern Mozambique beach resort

发表于:2019-01-22 / 阅读(61) / 评论(0) 分类 自然百科2008年
最新学习文章
热门学习文章