jackknife
名词复数:jackknives
过去式:jackknifed
过去分词:jackknifed
现在进行时:jackknifing
词形变化:
动词过去式: jackknifed | 动词过去分词: jackknifed | 动词现在分词: jackknifing | 动词第三人称单数: jackknifes |
jackknife
名词复数:jackknives
过去式:jackknifed
过去分词:jackknifed
现在进行时:jackknifing
词形变化:
动词过去式: jackknifed | 动词过去分词: jackknifed | 动词现在分词: jackknifing | 动词第三人称单数: jackknifes |