名词
中文翻译：四分之一梯子
同义词：
['sixth-floor ladder', 'quarter-stair ladder']
例句：
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1. Theconstruction workers used a quarter ladder to reachthe roof.
建筑工人使用一个四分之一梯子来到达屋顶。
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2. The ladder was too shortfor her to climb up to the secondfloor.
这个梯子太短了，她爬不上二楼。
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3. He climbed up the ladderwith his hands and feet, carefully avoidingthe sharp edges.
他用双手和双脚爬上梯子，小心翼翼地避开尖锐的边缘。