n.土墩；小丘；一堆
v.筑堤；用土堆防卫
The children are playing on the mound. 孩子们正在小土墩上玩。
The wind swept up the sand into a mound. 风把沙子吹拢成一个小丘。
It was easy to pick holes in the mound. 土丘上凿洞很容易。
He lay in his bunk under a mound of blankets. 他躺在铺上，身上盖了一大堆毯子。
