was underlain by
In the early twentieth century,however,it was discovered that much of the High Plains was underlain by a huge aquifer (a rock layer containing large quantities of groundwater).这句话怎么理解啊
was underlain by
答案:1 悬赏:40 手机版
解决时间 2021-06-08 03:52
- 提问者网友：雨不眠的下
- 2021-06-07 21:32
最佳答案
- 五星知识达人网友：想偏头吻你
- 2021-06-07 22:10
20世纪早期,人们发现大部分的高平原地区之下存在巨大的含水土层（含有大量地下水的岩层）
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