动词短语
中文翻译：密切注视
同义词：
['watch closely', 'pay close attention to例句：1. The teacher kept a close eye on the students during the exam.（老师在考试期间密切注视着学生们。）']
例句：
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1. The teacher kept a close eye on the students during the exam.
老师在考试期间密切注视着学生们。
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2. The scientist kept a close eye on the experiment results.
科学家密切关注实验结果。
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3. We should keep a close eye on the traffic conditions in the city.
我们应该密切注意城市里的交通状况。