名词
中文翻译：预洗
同义词：
['pre-soak', 'pre-treatment']
例句：
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1.Before the experiment, we need to pre-leach the soil with water.
实验前，我们需要用水对土壤进行预浸。
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2.The pre-leach process is crucial for removing impurities from the raw material.
预浸过程对于去除原材料中的杂质至关重要。
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3. During the pre-leach stage, the pH of the solution should be adjusted to a suitable level.
在预浸阶段，溶液的pH值应该调整到合适的水平。