名词
中文翻译：冲动列车
同义词：
['impulse car', 'impulse bus', 'impulsive train']
例句：
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1. The train wasso crowded that it felt like an express train.
火车非常拥挤，感觉像一趟快车。
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2. She boarded the train with a sense of urgency.
她急匆匆地上了火车。
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3. The train's sudden stop caused confusion among the passengers.
火车突然停下，让乘客们感到困惑。