灰坑了有一堆烤土豆。
另一类湖泊是灰岩坑湖，在石灰岩中形成。
Another kind of lake is the sinkhole lake, which is formed in limestone.
阿灰岩坑是一个天然洼地，由地下土壤除水造成的。
A sinkhole is a natural depression caused by the removal of underground soil by water.
阿灰岩坑是一个天然洼地，由地下土壤除水造成的。
A sinkhole is a natural depression caused by the removal of underground soil by water.
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