created sense approved 提神剂/提神劑 · tíshénjì · stimulant
提神剂 / 提神劑
tíshénjì
stimulant
a substance that increases alertness or physiological activity, such as a psychostimulant or agrypnotic, typically used to combat fatigue
咖啡因是一种常用的提神剂，可以帮助人们在工作中保持清醒。