名词
中文翻译：慢车
同义词：
['slow train', 'slow train service']
例句：
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1. The slow train arrived late, causing us to miss our appointment.
慢火车晚点，让我们错过了约会。
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2. We took the slow train to visit relatives in another city.
我们坐慢火车去另一个城市的亲戚家。
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3. The slow train service is a popular option for those who prefer not to travel by air.
慢火车服务是那些不喜欢乘飞机的人的热门选择。