单词	margin water
释义	margin water 边水
随便看	Negative Contrast Radiographies Negative Contrast Radiography negative contrast staining negative contrast technique negative contribution margin negative control negative-control negative controlling negative control region negative control thyratron negative-control thyratron negative convergence negative converter Negative Convexity negative cooperation negative cooperativity Negative coping Negative Copular negative copy negative copying process negative core negative corner negative corona negative corona discharge negative corona plasma