counteract
英 [kaʊntər'ækt]
美[,kaʊntɚ'ækt]
	    - vt. 抵消;中和;阻碍
 
英英释意
- 1. act in opposition to
 
- 2. oppose or check by a counteraction
 
- 3. oppose and mitigate the effects of by contrary actions;
 - "This will counteract the foolish actions of my colleagues"
 
- 4. destroy property or hinder normal operations;
 - "The Resistance sabotaged railroad operations during the war"