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来源:雅诚德英语网
When a drop lands, some of this mineral is deposited at the landing site, where it accumulates, forming a stalagmite.
当水滴落地,其内一部分溶解钙碳酸盐在地面存储下来,日积月累,就慢慢形成了石笋。
When a drop lands, some of this mineral is deposited at the landing site, where it accumulates, forming a stalagmite.
当水滴落地,其内一部分溶解钙碳酸盐在地面存储下来,日积月累,就慢慢形成了石笋。