名词
中文翻译：铁路青蛙
同义词：
['Rail Frog', 'Rail Swallower']
例句：
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1.The rail frog is a common sight on the train tracks.
铁路青蛙是火车轨道上常见的景象。
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2.The rail frog has been spotted in many areas of the country.
铁路青蛙已在该国许多地区被发现。
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3. The rail frog is a symbol of the railway industry.
铁路青蛙是铁路行业的一个象征。