He examined the machine, worked a lever that lifted the lid.
他检查了机器，并使用杠杆打开盖子。
他做了一个杠杆。
When I got to this result, I pointed out that therefore, you can use the lever rule.
当我得到这个结果时，我指出，因此，你可以使用杠杆法则。
To train a rat, the experimenter placed it in an operant conditioning chamber: a small plastic box with a lever at one end.
为了训练小鼠，实验人员把它放在一个操作性条件反射室：一个一端置有操作杆的塑料箱。
The lever gets them out of the box, but after more and more trials, they stopped scratching at the bars and pushing at the ceiling.
杠杆让它们出了盒子，但在越来越多的尝试之后，它们不再抓栏杆和推天花板。
If the light flashed on and off several times, the dolphins were supposed to press the left-hand lever followed by the right-hand one.
如果灯亮了又灭了好几次，海豚就应该先按左手的杠杆，再按右手的杠杆。
If you want to become rich and not be a victim of global changes, it is important that you develop the greatest lever of all: your mind.
如果你想致富，而不是让自己成为全球性变革的受害者，重要的一点就是你要开发最强大的杠杆：您的大脑。
It had a movable carriage, a lever for turning paper from line to line, and a keyboard on which the letters were arranged in alphabetical order.
它有一个可移动托架，有一个能把纸从一行转到另一行的杠杆，还有一个按字母顺序排列的键盘。
I'm having trouble with this gear lever because I'm left-handed.
我难于操纵这个变速杆，因为我是左撇子。
When the water reaches a certain level, it moves a lever and this shows the hours.
水位达到一定高度时，水将推动一个控制杆，从而显示时间。
It was called the anchor escapement, which was a lever-based device shaped like a ship's anchor.
它被称为锚形擒纵器，是一种基于杠杆的装置，形状像船的锚。
Students in university towns may also have access to another lever for involvement in accelerated math: math circles.
大学城的学生可能还有另一种参与进阶数学的手段：数学圈。
Planning documents pledged that the great legacy of the Games would be to lever a nation of sports lovers away from their couches.
规划文件承诺，奥运会的伟大遗产将让一个国家的体育爱好者远离他们的沙发。
Lever Brothers is a British soapmaker.
利华兄弟是英国的肥皂制造商。
It's the ratio of these lever arms.
这是这些杠杆臂的比值。
它们只会去压动杠杆。
We managed to lever the roots out.
我们设法将树根撬掉。
From the mightiest lever to the tiniest pinion.
从最大的杠杆到最小的齿轮。
The rat preferred lever-pressing to everything;
老鼠更喜欢对一切事物施压；
These pleasures the rat lever machine wasn't giving us.
这些快乐是老鼠杠杆机器无法给与我们的。
Considering the circumstances, should you pull the lever?
想想这个情况，你应该拉拉杆吗？
And when the chimpanzee slaps the lever, it gets some food.
当黑猩猩拍杠杆的时候，它就能拿到食物。
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。
In these studies, they put a chimpanzee in a room and there's a lever.
在这些实验中，黑猩猩被放到一个房间，房间有根杠杆。
A light lit above the lever indicating drugs were available to be administered.
在操作杆上面亮着一盏灯，指示药物能够被取用。
When you lift your foot, you are using your same-side shinbone as a long lever.
当你的脚被拉高时，胫骨就变成了一个长长的杠杆。
Still, we might say, but the rat lever is not the only kind of pleasures there are.
但我们仍然可以说，老鼠杠杆不是唯一的快乐。
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