In fact, we could go further and say that were not alive as all life reacts to its environment, by definition, and to react you must therefore be able to perceive.

事实上，我们能进一步说，他们已经不在人世，因为从定义上讲，一切生命都会对周围环境做出反应。而要做出反应就必须能够感知。

youdao

A virtual search agent could use Web servers and HTTP interfaces to both perceive and manipulate the environment (the Internet) and a console as an effector to communicate with a user.

而虚拟搜索代理则可以使用Web服务器和HTTP接口来感知环境(Internet)并对环境进行操作，并使用一个终端作为效应器来与用户进行通信。

youdao

This particular part of your brain gets more activated when you perceive something potentially good for you out there in the environment, and it could be things like food if you're hungry, or water, or money.

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