名词
中文翻译：战壕口
同义词：
['war wound', 'battle scar']
例句：
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1.He had a trench mouth from years of smoking.
他因为多年的吸烟而有了一副战壕口。
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2. The soldier's trench mouth was visible even in the sunlight.
即使是在阳光下，这个士兵的战壕口也很明显。
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3. She had a trench mouth from her time in the army.
她在军队服役期间留下了战壕口。