名词
中文翻译：无咖啡因的
同义词：
['devoid of caffeine', 'caffeine-free']
例句：
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1.She prefers decaf coffee to regular coffee because she has a sensitive stomach.
她更喜欢无咖啡因咖啡而不是普通咖啡，因为她胃比较敏感。
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2. The decaf version of the tea is much more affordable than the regular one.
这种茶的无咖啡因版本比常规版本便宜得多。
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3.Many people choose decaf milk over regular milk due to health concerns.
由于健康原因，许多人选择无乳糖牛奶而非普通牛奶。