名词
中文翻译：战壕外套
同义词：
['gas mask', 'military overcoat']
例句：
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1.He wore a trench coat to protect himself from the cold wind.
他穿着一件战壕外套来抵御寒冷的风。
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2.The soldier was wearing his trench coat when he received the medal.
士兵在获得勋章时穿着他的战壕外套。
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3.She put on her trench coat and went out for a walk in the park.
她穿上她的战壕外套，去公园散步。