基本解释n.小山；圆丘；丧钟（=knell）v.敲钟同根派生 knolls相关词英汉例句A low mound or ridge of earth; a knoll.小丘低土丘或圆岗; 小丘There is a bower on the knoll.小山上有一个凉亭。knolls更多例句