Studies in the journals Geology and Earth-Science Reviews reveal that ancient rivers were broad straight sheets of water.
《地质学》和《地球科学评论》上的一项研究表明古代的河流是笔直宽阔的水面。
New reports in the journals Geology and Earth-Science Reviews say we can thank the very first land - plants for putting the turn in the river.
《地质与地球科学评论》杂志中最新的报道称：我们要感谢最早期的固定水土的植物根系，正是它们造就了今天的河湾。
New reports in the journals Geology and Earth-Science Reviews say we can thank the very first land - plants for putting the turn in the river.
《地质与地球科学评论》杂志中最新的报道称：我们要感谢最早期的固定水土的植物根系，正是它们造就了今天的河湾。
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