名词
中文翻译:Unknown
同义词:
['ph paper', 'indicator paper']
例句:
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1. We used the sericteria to test the acidity of the solution.
我们用石蕊试纸测试溶液的酸碱度。
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2. The teacher asked us to use the sericteria to check the pH level of the soil.
老师让我们用石蕊试纸检查土壤的pH值。
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3. The doctor used the sericteria to determine the presence of bacteria in the sample.
医生用石蕊试纸来确定样本中的细菌存在。