He pulled the lever and set the machine in motion.

他扳动操纵杆，启动了机器。

《牛津词典》

The levers and light were set up in exactly the same way except that this time it was only Doris who could see the light indicating which lever to press first.

杠杆和光的设置完全一样，只不过这次只有多莉丝能看到先按哪个杠杆的灯的指示。

youdao

Economic theory can serve as a lever for increasing the power of a given set of data and a tool for squeezing as much meaning and implication from it as possible.

经济理论能像杠杆一样增加给定的一套数据的说服力和作为工具挤压出尽可能多的意义和内涵。

youdao

You went to the table for your election district, signed in, went to a big old steel mechanical voting machine made in Jamestown, New York, pulled a big lever, set small levers for all the candidates you wanted, pulled the big lever back, and were done.

FORBES: New York's New Voting System Is a Disaster