单词	reversal current
释义	reversal current 反向电流,反流,逆流
随便看	alternating share alternating shear alternating shift alternating-sign alternating signals alternating sinus premature beat alternating slow-fast set alternating source alternating spark-over voltage alternating spells attacks of fever and chills alternating spells of fever and chills alternating sputtering alternating squint alternating stabilizer alternating step alternating step generator alternating still alternating stills alternating strabismus alternating strain alternating strain amplitude alternating stress alternating-stress alternating stress amplitude alternating stress cycle