小黑妈跃跃
开火: [ kāi huǒ ] 1. loose2. open fire3. turn loose4. firing5. fire 例句与用法: 1. 他命令士兵开火. He ordered his men to open fire. 2. 他（用枪）瞄准目标开火, 却未打中. He aimed (his gun) at the target, fired and missed it. 3. 军官命令士兵开火. The officer commandedhis men to open fire. 4. ‘开火!’上尉命令道. `Fire!' ordered the captain. 5. 持枪歹徒开火时他东躲西闪. He dodged to left and right as the gunman opened fire. 6. 开火之前仔细瞄准（目标）. Take careful aim (at the target) before firing.
