形容词
中文翻译：偶然的
同义词：
['accidental', 'incidental例句：1. The incidental discovery of a new species was unexpected.（意外地发现了一个新物种。）']
例句：
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1. The incidental discovery of a new species was unexpected.
意外地发现了一个新物种。
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2.The incidental mention of the topic in the report was not significant.
报告中对这个话题的附带提及并不重要。
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3. The incidental mention of the topic in the report was not significant.
报告中对这个话题的附带提及并不重要。