名词
中文翻译：壕沟板
同义词：
['trenches', 'trenches board']
例句：
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1.He used a trenchboard to draw his designs on the wall.
他用战壕板在墙上画设计图。
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2.The engineer used a trenchboard to mark the location of the tunnel entrance.
工程师用战壕板标记了隧道入口的位置。
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3.The soldiers used trenchboards as makeshift shields during the battle.
士兵们在战斗中使用战壕板作为临时盾牌。