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 collect samples from the river for further analysis.
我们需要从河流中收集样本以便进一步分析。
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2. The scientist collected a few samples from the plant for testing.
科学家从植物中收集了几个样本进行测试。
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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。