And what this is is technically described as a decline in the tendency to respond to stimuli that are familiar due to repeated exposure.

它在学术上被描述为,由于重复暴露在刺激环境中,而造成对该刺激反应倾向的降低。

耶鲁公开课 - 心理学导论课程节选

And also, it's useful because harmful stimuli are noticed but when something has shown itself to be part of the environment you don't notice it anymore.

而且它还是非常有用的,因为危险刺激会吸引到你的注意,但当某物被视为环境的一部分时,你便不会再去注意到该物体。

耶鲁公开课 - 心理学导论课程节选

It's just humans tend to live " in a richer environment than rats."

只不过相较于老鼠,人类生活在刺激更加丰富的环境中罢了“

耶鲁公开课 - 心理学导论课程节选

And what this is in a very general sense is the learning of an association between one stimulus and another stimulus, where stimulus is a technical term meaning events in the environment like a certain smell or sound or sight.

一般来说,经典条件作用是指在一个刺激,和另一个刺激之间形成联结，这里的刺激是一个专业术语,意思是环境中出现的事件,比如某种味道，声音或景观。

耶鲁公开课 - 心理学导论课程节选