counter-, 同contra-，相对，相反。-act, 行为。

1. 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。

2. This event will counteract such trends.

这一事件将会削弱此类趋势。

3. These exercises aim to counteract the effects of stress and tension.

这些训练旨在抵消压力与紧张的影响。

4. Our work calls for mutual support. We shouldn't counteract each other's efforts.

工作要互相支持, 不要互相拆台.

5. The power of red wine to counteract high cholesterol has been ballyhooed in the press.

红酒降低胆固醇的功效被媒体夸大了。