往复的英文

来回地, 往复地

in circles。但要看句意：一年又一年，四季循环往复。Four seasons cycle year after year.thank you.

往复运动reciprocate具体解释:reciprocate[ri5siprEkeit]v.互给, 酬答, 互换, 报答reciprocatere.cip.ro.cateAHD:[r¹-s¹p“r…-k³t”] D.J.[ri6sipr*7keit]K.K.[r!6s!pr*7ket]v.（动词）re.cip.ro.cat.ed， re.cip.ro.cat.ing， re.cip.ro.catesv.tr.（及物动词）To give or take mutually; interchange.互换：相互都给或拿；交换To show, feel, or give in response or return.回报：作为反响或回应而表示、感觉或给予v.intr.（不及物动词）To move back and forth alternately.往复运动：交互地向后、向前运动To give and take something mutually.互换：相互都给予或拿来To make a return for something given or done.回报：对被给予或做的某事物进行报答To be complementary or equivalent.互给：补足或相等

and so on back and forth

back and forth反复地，来回地往返前前后后来来去去同义词to and from例句：A stepper motor, which can be turned a degree at a time, would twist the wand back and forth as needed.至于一次可以转一度的步进马达，会在必要的时候来回推动百叶窗的控制杆。希望我的回答可以帮到你 谢谢