n.小山，小丘

原形：hummock复数：hummocks

The landscape was dotted with hummocks of various sizes.
地形上散布着各种大小的土丘。
They had to navigate around the large hummocks of ice on the river.
他们不得不绕过河上的大冰丘。
The children loved playing hide-and-seek among the hummocks in the park.
孩子们喜欢在公园里的土丘间玩捉迷藏。
The polar bear used the hummocks as resting spots during its long journey across the Arctic.
北极熊在穿越北极的长途旅行中，将这些土丘作为休息点。
The soil was so loose that even the smallest movement caused the hummocks to shift slightly.
土壤非常松软，哪怕是最小的动作也会使土丘稍微移动。
The landscape of the tundra was characterized by numerous hummocks and hollows.
苔原地形的特点是遍布着许多土丘和洼地。
The explorer had to carefully choose his path between the hummocks to avoid getting lost.
探险者必须小心选择穿越土丘的路径，以免迷失方向。
The hummocks provided a natural barrier against the harsh winds of the desert.
这些土丘为沙漠中的强风提供了一道天然屏障。
The archaeologists discovered ancient settlements hidden beneath the hummocks.
考古学家在这些土丘下发现了古代遗迹。
The melting permafrost created new hummocks and altered the existing ones.
永久冻土层融化形成了新的土丘，并改变了现有的土丘。