名词
中文翻译：杆子
同义词：
['pole', 'rod', 'stick']
例句：
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1.The pole tied to the tree was too short for the children to climb.
绑在树上的杆子太短，孩子们爬不上去。
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2. The teacher used a pole to help the students learn how to balance on one leg.
老师用一根杆子帮助学生学习如何单腿平衡。
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3.The poles were used to support the roof of the building during construction.
在建筑施工期间，这些杆子被用来支撑屋顶。