名词
中文翻译：回火
同义词：
['reverse fire', 'counterfire']
例句：
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1. The retrofire system was designed to protect against enemy attacks.
回火系统被设计用来抵御敌人的攻击。
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2. The pilot used the counterfire technique to distract the enemy.
飞行员使用了反制措施来分散敌人的注意力。
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3. The firefighters were able to extinguish the retrofire with water.
消防员们用水成功地扑灭了回火。