名词
中文翻译：支点臂
同义词：
['pivot arm', 'pivoting arm例句：1. The scientist used a pivoted arm to adjust the angle of the microscope.（科学家使用一个支点臂来调整显微镜的角度。）2. The engineer designed a pivoted arm for the robot to move around more easily.（工程师设计了一个支点臂，使机器人更容易移动。）']
例句：
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1. The scientist used a pivoted arm to adjust the angle of the microscope.
科学家使用一个支点臂来调整显微镜的角度。
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2. The engineer designed a pivoted arm for the robot to move around more easily.
工程师设计了一个支点臂，使机器人更容易移动。
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3.The construction worker used a pivoted arm to lift heavy objects from the ground.
建筑工人使用一个支点臂从地面举起重物。