动词短语
中文翻译：爬上铁轨
同义词：
['climb onto the rails', 'climb up the rails']
例句：
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1. The boyclimbed onto the rail and jumped off.
那个男孩爬上了铁轨并跳了下来。
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2.The train was climbing up the mountain when it met with an accident.
火车在攀登山时遇到了事故。
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3. The climber had to climb up the steep slope to reach the summit.
登山者不得不攀爬陡峭的斜坡到达山顶。