名词
中文翻译：收集臂
同义词：
['receptor', 'collector', 'collecting device']
例句：
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1.The robot has a collecting arm that can pick up small objects.
这个机器人有一个可以捡起小物品的收集臂。
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2. The scientist used a collecting arm to collect samples from the ocean floor.
科学家使用一个收集臂从海底采集样本。
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3. The engineer designed a collecting arm to help farmers harvest crops more efficiently.
工程师设计了一个收集臂，帮助农民更有效地收割作物。