名词
中文翻译：主茎
同义词：
['main stem', 'main part', "primary part例句：1. The plant's primary stipe is responsible for its ability to grow and reproduce.（该植物的主茎是其生长和繁殖能力的来源。）"]
例句：
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1. The plant's primary stipe is responsible for its ability to grow and reproduce.
该植物的主茎是其生长和繁殖能力的来源。
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2. The scientist isolated the virus from the primary stipe of the patient's blood sample.
科学家从患者的血液样本的主要部分分离出了病毒。
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3. The researcher focused on the primary stipe of the plant's root system to study its growth patterns.
研究者专注于植物根部系统的主要部分，以研究其生长模式。