geochemical barrier

• 地球化学堤

geochemical barrier的用法和样例：

例句

1. They produce a barrier beach with an eroded zone in front and a lagoon or salt marsh behind.
   它们形成了一个前有侵蚀带后有泻湖和盐沼的堤洲堰滩。
2. The present barrier bar was preceded by similary trending bars in the past and will be succeeded by more barrier bars in the future.
   当前的堰堤砂洲是继生于过去类似走向的砂洲上的，而在以后必将有更多的堰堤砂洲相继生成。