stimulant
n
1 (drink containinga) drug that increases physical or mental activity and alertness 兴奋剂; 含兴奋剂的饮料
Coffee and tea are mild stimulants. 咖啡和茶都是平和的兴奋剂.
[attrib 作定语]
stimulant drugs 兴奋剂.
2 ~ (to sth) event, activity, etc that encourages greater or further activity 起刺激、 激励作用的事情、 活动等
It is hoped the tax cuts will act as a stimulant to further economic growth. 希望降低税率这一措施能刺激经济进一步增长.