[VERB 动词]抵制;抵消;抵抗 To counteract something means to reduce its effect by doing something that produces an opposite effect.
[V n]
My husband has to take several pills to counteract high blood pressure...
我丈夫不得不吃几片药来降压。
This event will counteract such trends.
这一事件将会削弱此类趋势。
Oxford
coun·ter·act/ˌkaʊntərˈækt; NAmEˌkaʊntərˈækt/verbcounteractsth to do sth to reduce or prevent the bad or harmful effects of sth 抵制;抵消;抵抗SYN
counter
◆These exercises aim to counteract the effects of stress and tension.这些运动旨在抵消压力与紧张的影响。counteractcounteractscounteractedcounteractingcoun·ter·act/ˌkaʊntərˈækt; NAmEˌkaʊntərˈækt/
to reduce or prevent the bad effect of something, by doing something that has the opposite effect: They gave him drugs to counteract his withdrawal symptoms.—counteraction /-ˈækʃən/ noun [countable, uncountable]