名词
中文翻译：样本
同义词：
['specimen', 'specimen', 'sample', 'example']
例句：
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1. Weneed to collect a few samples from the market to compare with the data we have.
我们需要从市场上收集一些样本，与已有的数据进行比较。
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2. The scientist used a sample of water from the river to test its pH level.
科学家用河水的一个样本来测试其pH值。
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3. The company sent out a sample of their new product to customers for feedback.
公司向客户发送了新产品的样本，以获取反馈。