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...the lever arm of the machine.是什么意思？

...the lever arm of the machine.

机器的操纵杆

相关词汇
the lever arm of machine

the

art. 指已提到的人（物），指说话人与听者已知的人（物），用于独一无二的事物前，与形容词最高级和序数词连用；

lever

n. 杠杆，操作杆，工具；vt. 用杠杆撬动；

arm

n. 臂，武器，[复数]战事，权力；vi. 准备（斗争），准备行动（against）；vt. 装备（防御工事），准备（攻击或迎击），配备，防护；

of

prep. 关于，属于…的，由…制成；aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气]；

machine

n. 机器，机械，机械般的人，核心；vt. 用机器制造，用机器加工；vi. 被机器切削；
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撒切尔女男爵的主张在很多人看来是可信的。
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他坐在那儿，听我陈述解雇他的理由。
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一份耕耘，一份收获。
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这个问题已经引发了激烈的政治争论。