名词
中文翻译：样本
同义词：
['sample', 'specimen', 'test sample']
例句：
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1.We need to take a spot sample from the soil before we plant the trees.
在我们种植树木之前，我们需要从土壤中取样。
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2. The scientist conducted a spot sample analysis of the water in the river.
科学家对河流中的水进行了一个样本分析。
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3.The company is testing a new spot sample for its customers.
该公司正在为顾客测试一种新的样本。