名词
中文翻译：乘客里程
同义词：
['passenger kilometres', 'passenger distance例句：1. The airline offers discounts for frequent flyers who have accumulated a certain number of passenger miles.（该航空公司为累积一定数量的乘客里程的常旅客提供折扣。）2. The train travels over 1000 miles per day', 'covering many different regions.（这列火车每天行驶超过1000英里，穿越多个地区。）3. The trip took us through several states and covered a total of 500 passenger miles.（这次旅行经过了几个州，总共行驶了500英里。）']
例句：
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1. The airline offers discounts for frequent flyers who have accumulated a certain number of passenger miles.
该航空公司为累积一定数量的乘客里程的常旅客提供折扣。
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2. The train travels over 1000 miles per day, covering many different regions.
这列火车每天行驶超过1000英里，穿越多个地区。
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3. The trip took us through several states and covered a total of 500 passenger miles.
这次旅行经过了几个州，总共行驶了500英里。