动词短语
中文翻译：突然来访
同义词：
['visit', 'drop by例句：1. She dropped in to see how her friend was doing.（她突然来访，看看她的好朋友怎么样了。）']
例句：
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1. She dropped in to see how her friend was doing.
她突然来访，看看她的好朋友怎么样了。
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2.He dropped in unexpectedly and found the house empty.
他突然来访，发现房子空无一人。
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3.The children dropped in for a visit before school started.
孩子们在上学前突然来访。