名词
中文翻译：咖啡因
同义词：
['咖啡碱，咖啡因例句：1. Caffeine is a stimulant that can help people stay awake during long flights.（咖啡因是一种兴奋剂，可以帮助人们在长途飞行中保持清醒。）']
例句：
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1. Caffeine is a stimulant that can help people stay awake during long flights.
咖啡因是一种兴奋剂，可以帮助人们在长途飞行中保持清醒。
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2.The coffee shop serves a variety of caffeinated drinks to keep customers energized.
这家咖啡馆提供各种含咖啡因的饮料，以保持顾客精力充沛。
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3.Caffeine addiction can lead to headaches and other health problems if consumed excessively.
如果摄入过量，咖啡因依赖可能会导致头痛和其他健康问题。