negative ads

• 负面广告

negative ads的用法和样例：

例句

1. They are urging Obama to fight back, mindful of the Republican attack ads that helped doom Democrat John Kerry's presidential bid four years ago.
   他们注意到共和党人四年前的负面广告从一定程度上击垮了克里的总统竞选，因此敦促奥巴马展开反击。