名词短语
中文翻译：可见的铁路坑
同义词：
['可识别的隧道，可识别的沟渠例句：1. The railway was so damaged that it became a visible pit of tracks.（这条铁路被严重损坏，变成了一个明显的轨道坑。）2. The engineers had to dig out the visible pit of tracks to repair the damage.（工程师们不得不挖出可见的轨道坑来修复损坏。）']
例句：
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1. The railway was so damaged that it became a visible pit of tracks.
这条铁路被严重损坏，变成了一个明显的轨道坑。
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2. The engineers had to dig out the visible pit of tracks to repair the damage.
工程师们不得不挖出可见的轨道坑来修复损坏。
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3.The visible pit of tracks made it difficult for the train to move.
可见的轨道坑使火车难以行驶。