名词
中文翻译：梯子
同义词：
['ladder', 'ladder rung', 'ladder step例句：1. The engineer climbed the ladder to reach the top of the building.（工程师爬梯子爬到了大楼的顶端。）']
例句：
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1. The engineer climbed the ladder to reach the top of the building.
工程师爬梯子爬到了大楼的顶端。
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2. The ladder was too short for her to reach the ground.
那根梯子对她来说太短了，够不到地面。
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3. The ladder was made of wood and had several rungs for climbing.
这根梯子是用木头做的，有好几个梯级供攀爬。