名词
中文翻译：Unknown
同义词：
['root ball', 'rootball']
例句：
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1. The roots of the plant are exposed to the soil surface.
植物的根暴露在土壤表面。
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2. The root ball is a crucial part of the plant's structure.
根球是植物结构中至关重要的部分。
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3. The roots help the plant absorb water and nutrients from the soil.
根帮助植物从土壤中吸收水分和养分。