单词	common substitution
释义	common substitution 普通换元
随便看	negative oxygen balance explosive Negative oxygen formula negative oxygen ion Negative Oxygen Ion Fiber negative oxygen ion generator negative-oxygen rich fuel propellant negative-oxygen-rich fuel propellant negative pacemaker spike negative painting negative paper negative parallax negative-parameter device negative parity negative part negative participation negative particle negative particular proposition negative pattern negative patterning negative peace negative peak negative peak clipping distortion negative pedal negative pedal curve negative pedal surface