【建】 contraction of catalyst
activator; catalyzer
【计】 catalyst
【化】 catalyst; catalyzator; catalyzer
【医】 accelerant; catalyst; catalytic agent; catalyzator; catalyzer
contact substance
shrink; contract; draw back; pinch; constriction; constringency; shrinkage
【化】 shrinkage
【医】 contract; contraction; systole; Z.; zuckung
【经】 contraction