This can be counteracted only by very effective insulation.这只能用非常有效的绝缘来防止.The effect of his preaching was counteracted by the looseness of his behavior.他讲道的效果被他放荡的生活所抵消了.For the reason why optical activity of mesomer is ...

counteracted的音标：...

v.对抗，抵消( counteract的过去式 )...