counteract

v．消除，抵消

count up, countable, countdown, countenance, counter, counter-, counter-attack, counter-attraction, counter-clockwise, counter-espionage, counter-insurgency, counter-intelligence, counter-intuitive, counter-irritant, counter-offer, counter-productive, counter-productively, counter-revolution, counter-revolutionary, counter-tenor, counteraction, counterargument, counterbalance, counterbalancing, counterblast, counterclaim, counterfeit, counterfoil, countermand, countermeasure, counterpane, counterpart, counterparts, counterplot, counterpoint, counterpoise, counterproductive, counterproductiveness, countersign, countersignature,