cycle 名词复数:cycles 过去式:cycled 过去分词:cycled 现在进行时:cycling 词形变化: 名词: cycler | 动词过去式: cycled | 动词过去分词: cycled | 动词现在分词: cycling | 动词第三人称单数: cycles | 词义辨析: 同义: n.周期; 循环; 整个系列 series circle 同义参见: wheel revolution procession bicycle