名词
中文翻译：松散的轨道
同义词：
['loose wheel', 'loose gear']
例句：
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1. The train's loose track caused a delay in the arrival of the next train.
火车的松轨导致下一列火车晚点。
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2. The engineer had to tighten the loose track to prevent further damage.
工程师不得不紧固松轨以防止进一步损坏。
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3. The loose track made it difficult for the workers to maintain the train's speed.
松轨使得工人难以保持列车的速度。