1、knee英[niː]美[niː],n.膝; 膝蓋; 膝關節; (褲子的)膝部; (坐下時)大腿朝上的面;vt.用膝蓋頂(或撞)。
2、[例句]He went down on one knee and asked her to marry him.他單膝跪下向她求婚。