“颠动”怎么读？

他颠动着婴儿,哄他不再哭.He dandled the baby to make him stop crying.帕齐抱起婴儿放在膝上颠动着。Patsy had picked up the baby and was bouncing him on her knee.他故意的上下颠动车把,摇这个老猴子几下.He deliberately jerked the shafts to rock him a bit....

“颠动”的英语可以翻译为：porpoising ...