n. a small natural hill
n. 小山, 圆丘vt. 敲钟vi. 敲响
1. The children played on the knoll behind the house.
孩子们在房子后面的小丘上玩耍。
2. We sat on the knoll to watch the sunset.
我们坐在小丘上观看日落。
3. A single tree stood on the top of the knoll.
一棵树矗立在小丘的顶端。