stimulant
noun /ˈstɪmjələnt/
/ˈstɪmjələnt/
(formal)- a drug or substance that makes you feel more active and gives you more energy
兴奋剂 - Coffee and tea are mild stimulants.
咖啡和茶是轻度兴奋剂。
- Coffee and tea are mild stimulants.
- stimulant (to something) an event or activity that encourages more activity
有激励作用的事物
词源early 18th cent.: from Latin stimulant- ‘urging, goading’, from the verb stimulare.