词汇	same root
释义	same root 同样的起源
随便看	retarding field detector retarding field electron spectrometer retarding field generator retarding field oscillations retarding field oscillator retarding-field oscillator retarding field potential retarding field tube retarding-field tube oscillator retarding filed tube retarding foam retarding force retarding forces retarding grid retarding ignition retarding increase model retarding jetting technology retarding line retarding loss retardingly retarding magnet retarding mechanism retarding moment retarding mortar retarding motion