名词
中文翻译：叶脉汁液
同义词：
['leaf sap', 'xylem sap']
例句：
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1.The plant's growth depends on the phloem sap that flows through its roots.
植物的生长依赖于通过其根部流动的叶脉汁液。
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2. The scientist studied the phloem sap of different plants to understand their nutritional needs.
科学家研究了不同植物的叶脉汁液，以了解它们的营养需求。
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3.During the dry season, the phloem sap levels in the plant are reduced, which affects its ability to photosynthesize.
在干旱季节，植物的叶脉汁液水平降低，这影响了它的光合作用能力。