名词
中文翻译：针状物段
同义词：
['needle section', 'needle fragment', 'needle piece']
例句：
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1. The surgeonused a scalpel to remove the needle segment from the patient's arm.
外科医生用一把手术刀从病人的手臂上取出了针状物段。
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2.The researcher analyzed the needle segment data to determine the effectiveness of the new drug.
研究员分析了针状物段数据，以确定新药的有效性。
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3. The engineer designed a new machine that could precisely cut and shape needle segments.
工程师设计了一台新机器，可以精确地切割和成型针状物段。