noun🔗ShareカフェインAn alkaloid, C8H10N4O2, found naturally in tea and coffee plants which acts as a mild stimulant on the central nervous system."Many students drink coffee for the caffeine to help them stay awake and study. "多くの学生は、起きて勉強するためにカフェインを摂取するためにコーヒーを飲みます。substancedrinkchemistrycompoundphysiologymedicineenergyfoodplantbiochemistryChat with AIVocabulary GamePractice Reading
