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1.The mineral deposit is located in the southern part of the country, where it is abundant.
该矿床位于该国南部,那里储量丰富。
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2. The sodium ion is essential for human health, as it helps regulate body fluids and maintain proper electrolyte balance.
钠离子对人类健康至关重要,因为它有助于调节体液和保持电解质平衡。
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3.The sodium chloride crystals are commonly used in food preservation and as a cleaning agent.
氯化钠晶体常用于食品保存和清洁剂中。