单词：galgal
音标：['^æl^æl] ；
塞尔特族的圆锥形或方锥形纪念碑 (塞尔特族为爱尔兰和苏格兰高地一带的部族)
单词：galgal 相关文章
Algae seem harmless enough. These precursors to plants thrive throughout the world's waters. But these single-celled plants have global consequences. We can thank them for oxygen in the atmosphere, oil in the lithosphere as well as dead zones in the
发表于:2019-01-08 / 阅读(460) / 评论(0)
Scientific American(十一)月
Scientific American(十一)月
AS IT IS 2014-08-10 Increase in Algae Population Infects Waterways 藻类群体的增加污染水道 The American city of Toledo, Ohio faced a serious problem earlier this month. Four hundred thousand people could not drink from the citys public wate
发表于:2019-01-12 / 阅读(311) / 评论(0)
2014年VOA慢速英语(八)月
2014年VOA慢速英语(八)月
查尔斯摩尔船长是Algalita海洋研究基金会的创始人，他第一次发现了大太平洋垃圾带一片无边无际漂浮着塑料垃圾的海域。现在，他为我们讲述大海面临的日益严重的塑料碎片污染问题。
发表于:2019-02-05 / 阅读(354) / 评论(0)
TED公开课:环境 重造计划
TED公开课:环境 重造计划