柯林斯词典knoll /nəʊl/ (knolls) 1. N-COUNT/N-IN-NAMES A knoll is a low hill with gentle slopes and a rounded top. 圆丘[文学性] ...a grassy knoll. ...长满草的圆丘。 返回 knoll剑桥词典a small low hill with a rounded top 圆丘；土墩 a grassy knoll 青草如茵的小丘 返回 knoll