名词
中文翻译：一级站
同义词：
['primary station', 'primarylocation']
例句：
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1. The first-order station is located at the heartof the city.
一级站位于市中心。
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2. Thetrain will arrive at the first-orderstation in five minutes.
火车将在五分钟后到达一级站。
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3. The first-order stationserves as a hub for transportation within theregion.
一级站是该地区交通枢纽。