Old English cnoll 'hilltop', of Germanic origin; related to German Knolle 'clod, lump, tuber' and Dutch knol 'tuber, turnip'Middle English: probably an imitative alteration of knell
A low mound or ridge of earth; a knoll. 小丘低土丘或圆岗;小丘
Before his Jersey City appearance, Bush made a strong pitch on behalf of Social Security program before an audience of 300 residents of the Leisure Knoll retirement community in Manchester Township. 到泽西市巡视以前,布什总统在曼彻斯特镇休闲山庄退休社区的300居民听众面前大力宣扬社会安全计划。