They had to remember which one they'd already pressed and therefore which lever to press next, left or right, in order to receive their reward.
它们不得不记住它们已经按过那些杠杆，下一步需要按哪个，左边或右边的杠杆，以获取它们的奖赏。
In a series of tests, the rats pressed one lever and were then distracted.
在一系列的试验中，大鼠每按一个杠杆则被分心一次。
它们只会去压动杠杆。
'I have pressed the first lever,' said O 'brien.
“我已经按了一下第一键，”奥勃良说。
We actually resemble nothing so much as those legendary lab rats that endlessly pressed a lever to give themselves a little electrical jolt to the brain.
我们确实没有那么多像实验室的大老鼠一样不停的压下杠杆给是给大脑一个微小的电刺激。
We actually resemble nothing so much as those legendary lab rats that endlessly pressed a lever to give themselves a little electrical jolt to the brain.
我们确实没有那么多像实验室的大老鼠一样不停的压下杠杆给是给大脑一个微小的电刺激。
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