cop-killerCOCA¹¹⁴⁹⁵⁷ 基本例句 n.能穿透防弹背心的子弹；🌏警察杀手；袭警计划；杀死警察 If the Little Rock City Council wanted to ban cop-killer bullets in the face of increasing gang activity, I thought they should have the right to do so. 如果小石城议会打算严禁使用可以穿透防弹衣的子弹，以应对越来越猖獗的帮会活动，我认为他们应该有权这样做。 yeeyan