名词
中文翻译：比较者
同义词：
['comparator', 'comparator', 'comparer']
例句：
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1. The scientist used the microscope to compare the samples.
科学家使用显微镜来比较样本。
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2. The teacher asked the students to compare their notes before class.
老师要求学生们在课前比较他们的笔记。
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3. They compared the two books and found that they were very similar.
他们比较了这两本书，发现它们非常相似。