因为这里是世界上最大的白蚁窝，据科学家推算，这些小土丘的数量足足有两亿

因为这里是世界上最大的白蚁窝，据科学家推算，这些小土丘的数量足足有两亿个左右。

Results (English) 1:

Because it is the world's largest termite nest, scientists estimate, the number of these small mound of a full about two hundred million.

Results (English) 2:

Because it is the world's largest termite nest, scientists estimate that the number of these small mounds is about 200 million.

Results (English) 3:

Because this is the largest termite nest in the world, according to scientists, the number of these small mounds is enough to about 200 million.