protract有<贬>延长，拖延（某事物）;等意思，那么你知道protract的过去式是什么吗?今天一起来学习一下protract的过去式以及protract的用法和例句，希望对大家的学习有所帮助!
protract的过去式及其它时态
protract的过去式:protracted
protract过去分词:protracted
protract现在分词:protracting
protract第三人称单数:protracts
protract的用法和例句
1、Using this method, we can protract vector analysis atlas of planetary gear drive mechanism.
应用此方法, 可定性地绘制出行星齿轮传动机构速度分析图谱.
2、Let's not protract the debate any further.
我们不要再继续争论下去了.
3、The cat can protract its paws.
猫能伸其爪.
4、Three hours have passed since the discussion was begun, and I'm afraid they will protract It'still longer.
这个讨论会已经开了3个小时了, 而且恐怕他们还会拖延下去的.
5、The inspector informed us that he was to protract his stay for some days.
督察通知我们他将在此多呆几天.
6、To lose the present in lamenting the past, was voluntarily to protract a melancholy vision.
为悲哀过去而失去眼前, 这是自愿地把忧郁的景象拖延下去.
