名词
中文翻译：Unknown
同义词：
['heavy artillery', 'heavy weapon', 'heavy machine gun']
例句：
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1. The heavy gun tanks were used in the battle to protect the city.
在战斗中，重型坦克用于保护城市。
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2.The heavy gun tank was a symbol of strength and power.
重型坦克是力量和权力的象征。
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3. The heavy gun tanks were able to withstand enemy fire and advance towards the enemy lines.
重型坦克能够抵御敌人的火力并向前推进。