动词短语
中文翻译：偶然来访
同义词：
['drop by', 'chance upon', 'come across例句：1. She dropped in to visit her friend after work.（她下班后顺便拜访了朋友。）2. I chanced upon this old book on the shelf.（我在书架上偶然发现了这本书。）3. They decided to drop by the park on their way home.（他们决定在回家的路上顺便去公园。）']
例句：
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1. She dropped in to visit her friend after work.
她下班后顺便拜访了朋友。
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2. I chanced upon this old book on the shelf.
我在书架上偶然发现了这本书。
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3. They decided to drop by the park on their way home.
他们决定在回家的路上顺便去公园。