名词
中文翻译:暗色颗粒
同义词:
['dark grit', 'dark sand']
例句:
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1. The dark grains in thesoil are rich in nutrients.
土壤中的暗粒富含养分。
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2. The dark grains inthe soil are good for growing plants.
土壤中的暗粒对种植植物有益。
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3. Thedark grains in the soil are asign of fertility.
土壤中的暗粒是肥沃的标志。