兴奋剂 xīngfènjì HSK7 doping Definitions Defs Origin Strokes Stroke Words Sentences Sents Showing: stimulant All meanings 3 xīngfènjì 3 doping 2stimulant 1 1 sentence for 兴奋剂 (xīngfènjì — stimulant) 咖啡因是一种中枢神经系统兴奋剂。 kāfēiyīn shì yī zhǒng zhōngshū shénjīng xìtǒng xīngfènjì. Caffeine is a central nervous system stimulant. Source: Dong Chinese Dictionary