knolls
n. 小圓丘,小土墩( knoll的名詞複數 )
A knoll is a low hill with gentle slopes and a rounded top.
...a grassy knoll.
長滿草的圓丘
...on Nibley Knoll.
在尼布利小山上
He carefully surveyed the ridges and knolls once more , and also the ravines and gullies.
他又注意地巡視著那些梁和峁, 還有溝和壑.