名词
中文翻译：单杠
同义词：
['single bar', 'parallel bars例句：1. He tried to do the pull-ups on the single bar.（他试图在单杠上做引体向上。）']
例句：
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1. He tried to do the pull-ups on the single bar.
他试图在单杠上做引体向上。
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2.The gymnast was practicing with the single bar in the back.
体操运动员正在练习用单杠。
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3. They used the single bar to practice their balance and coordination.
他们使用单杠来练习平衡和协调能力。