名词
中文翻译：胚轴
同义词：
['cotyledonous', 'cotyledon']
例句：
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1.The cotyledon is the first part of a plant to develop after fertilization.
胚轴是植物受精后最早发育的部分。
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2. The cotyledon is responsible for absorbing water and nutrients from the soil.
胚轴负责从土壤中吸收水分和养分。
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3. In some plants, the cotyledon can grow into a separate plant.
在某些植物中，胚轴可以长成独立的植物。