基本解释n.(马术)环骑；盘旋动词circle的现在分词形式.同根派生 英汉例句用作名词 (n.)A number of birds are circling overhead.很多鸟在头顶上空盘旋。A reconnaissance plane was circling over the enemy's position.一架侦察机正在敌人阵地上空盘旋。