名词
中文翻译：Unknown
同义词：
['dead tissue', 'dead plant material', 'dead plant matter']
例句：
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1. The rootsof the tree are a vital part of its life cycle.
树的根是其生命周期中至关重要的部分。
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2. The scientist studied the dead plant part to determine its chemical composition.
科学家研究了死植物部分，以确定其化学成分。
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3. The researcher found that the dead plant part contained valuable information about the ecosystem.
研究员发现死植物部分包含了有关生态系统的重要信息。