缩写
中文翻译：Unknown
同义词：
['F/C', 'F/C', 'F/C', 'F/C']
例句：
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1. The flight was delayed due to bad weather conditions.
由于恶劣的天气条件，航班延误了。
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2. She boarded the train at the first class entrance.
她在一等车厢入口处登车。
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3. The first class passengers received complimentary upgrades to business class.
头等舱乘客获得了免费升级到商务舱的待遇。