leapfrog
过去式:leapfrogged
过去分词:leapfrogged
现在进行时:leapfrogging
词形变化:
动词过去式: leapfrogged | 动词过去分词: leapfrogged | 动词现在分词: leapfrogging | 动词第三人称单数: leapfrogs |
leapfrog
过去式:leapfrogged
过去分词:leapfrogged
现在进行时:leapfrogging
词形变化:
动词过去式: leapfrogged | 动词过去分词: leapfrogged | 动词现在分词: leapfrogging | 动词第三人称单数: leapfrogs |