数词
中文翻译：数百公里
同义词：
['hundreds of kilometers', 'several hundred kilometers']
例句：
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1. We decided to walk for several hundred kilometers to reach our destination.
我们决定步行几百公里到达目的地。
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2. The train travels hundreds of kilometers every day.
火车每天行驶几百公里。
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3.They planned to hike several hundred kilometers to the top of the mountain.
他们计划徒步走几百公里到山顶。