动词
中文翻译：发生
同义词：
['happen', 'take place', 'come about']
例句：
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1. The event occurred on the day of the festival.
事件发生在节日的那天。
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2. The discovery occurred during a scientific experiment.
发现是在一次科学实验中发生的。
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3. The accident occurred when he was crossing the street.
事故发生在他过马路的时候。