1. For a good bond, an adhesive must counteract the effect of surface roughness and boundary layers. Ϊ��ȡ�úܺõ�ճ�ᣬճ��������ܿ˷�����ֲںͱ߽��ķ�Ӧ��
2. Finding a style of play that can successfully counteract the Long Ball has long taxed the minds of football managers. ����������Ѱ��һ���ܹ��ɹ���Ӧ�Գ�����ı�����ʽ���������ǽʾ�����֭��
3. The pistons flexed the mirror hundreds of times each second, adjusting the surface to counteract the distortions and form a sharp central point instead of a fuzzy blob. �ڻ����������¾���ÿ���������ٴΣ�ͨ����������������ͼ��ı���ʧ�棬����γ�һ�����������ĵ������ģ���İߵ㡣
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v.
1. act in opposition to
2. oppose or check by a counteraction
3. oppose and mitigate the effects of by contrary actions
4. destroy property or hinder normal operations