stimulus

• 指能引起反应或回应的因素，尤用于生物学或心理学语境。也可泛指起激励或推动作用的事物。

A noun referring to something that causes a reaction or response, especially in a biological or psychological context.

不规则复数

1. Biological or physiological triggerB2formalscientific

   Something that causes a response or reaction in an organism or system.

   刺激

   • Light is a primary stimulus for plant growth.
   • The loud noise acted as a stimulus for the dog to bark.
   • Scientists studied how the stimulus affected the nerve cells.

   同义词cueexcitantirritantsignalstimulanttrigger

2. Economic incentiveB2formal

   Something that encourages or promotes activity, growth, or development, especially in an economy.

   经济刺激

   • The government introduced a tax cut as a stimulus for small businesses.
   • The stimulus package helped revive the struggling economy.
   • Low interest rates can act as a stimulus for consumer spending.

   同义词boostcatalystencouragementfillipimpetusincentiveinducementspur

   反义词deterrent