hum·mock /ˈhʌmək/
圓丘,小丘,山崗
Hum·mock n.
1. A rounded knoll or hillock; a rise of ground of no great extent, above a level surface.
2. A ridge or pile of ice on an ice field.
3. Timbered land. See Hammock. [Southern U.S.]
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hummock
n : a small natural hill [syn: knoll, mound, hillock, hammock]