caffeine基本解释

n,[药][有化]咖啡因；茶精（兴奋剂）,同近

Avoid caffeine (= drinks with caffeine ) before bedtime..睡觉前不要喝含有咖啡因的饮料。

[有化][药] 咖啡因；茶精（兴奋剂）英释中释na substance in tea, coffee, and some other drinks that makes you feel more active