单词	口敕咳
释义	同ASTHMA
随便看	positive euthanasia positive example positive--excess positive exponent positive eyepiece positive feed positive feed back positive feedback positive feedback amplifier positive feedback circuit positive feedback circuit，pfc positive feedback loop positive feedback，pf positive feeder positive feedfack positive feed mechanism positive film positive fluid positive fon wave positive form positive forming positive fraction positive fractional exponent positive freedom positive function