动词短语
中文翻译：保持关注
同义词：
['watch closely', 'keep an eye on例句：1. We need to keep a watchful eye on the children while they play outside.（我们需要在孩子们在外面玩耍时保持警惕。）']
例句：
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1. We need to keep a watchful eye on the children while they play outside.
我们需要在孩子们在外面玩耍时保持警惕。
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2.She kept an eye on her husband as he went through his daily routine.
她密切关注着她丈夫的日常活动。
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3. The scientist kept an eye on the progress of the experiment and made notes.
科学家密切关注实验的进展并做笔记。