名词
中文翻译：立式梯子
同义词：
['stand-up ladder', 'scaffolding ladder']
例句：
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1.The construction workers were using a standing ladder to reach the roof.
建筑工人正在使用立式梯子来到达屋顶。
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2. The engineer had to climb up the ladder to inspect the electrical wiring.
工程师不得不爬上梯子去检查电线。
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3.The ladder was securely anchored to the wall, preventing it from tipping over.
梯子被牢固地固定在墙上，防止它倾倒。