名词
中文翻译：Unknown
同义词：
['horizontal limb', 'horizontal arm']
例句：
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1. The robot's horizontal limb was able to grasp the ball and move it around.
机器人的水平肢体能够抓住球并把它移动起来。
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2. The injured soldier needed a horizontal limb to help him walk.
受伤的士兵需要一条水平肢体来帮助他走路。
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3. The researcher used a horizontal limb to measure the distance between two points on the map.
研究者使用一条水平肢体来测量地图上两点之间的距离。