名词
中文翻译：堆积物
同义词：
['heap', 'accumulation例句：1. The scientist found a mound of dirt on the side of the hill.（科学家在山边发现了一堆土。）']
例句：
-
1. The scientist found a mound of dirt on the side of the hill.
科学家在山边发现了一堆土。
-
2.The mound of soil was evidence of the ancient civilization's presence.
这堆土壤是古代文明存在的证据。
-
3. The mound of rocks is a natural formation that has been there for centuries.
这块岩石堆是一个自然形成的地质结构，已经有数百年的历史了。