名词
中文翻译：观察
同义词：
['examination', 'inspection', 'survey']
例句：
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1.The scientist conducted an observation of the newmoon.
科学家对新月进行了观察。
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2. Thepolice officer made an observation of the crimescene.
警察对犯罪现场进行了观察。
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3. Theteacher observed the students during the test.
老师在考试期间观察了学生们的表现。