stimulus

US /ˈstɪm.jə.ləs/
UK /ˈstɪm.jə.ləs/
"stimulus" picture
1.

刺激, 刺激物

a thing or event that evokes a specific functional reaction in an organ or tissue

:
Light is a stimulus for the eyes.
光是眼睛的刺激物
The drug acts as a stimulus to the nervous system.
这种药物对神经系统起到刺激作用
2.

激励, 刺激

a thing that arouses activity or energy in someone or something; a spur or incentive

:
The tax cuts provided a much-needed stimulus to the economy.
减税为经济提供了急需的刺激
His encouragement was a great stimulus to her confidence.
他的鼓励对她的信心是极大的激励