名词
中文翻译：发生
同义词：
['occurrence', 'occurrences例句：1. The incidence of obesity in children has increased significantly.（儿童肥胖的发生率显著增加。）2. The study found that the incidence of heart disease was higher among older adults.（研究发现，老年人患心脏病的发生率更高。）']
例句：
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1. The incidence of obesity in children has increased significantly.
儿童肥胖的发生率显著增加。
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2. The study found that the incidence of heart disease was higher among older adults.
研究发现，老年人患心脏病的发生率更高。
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3.The new policy aims to reduce the incidence of accidents on the road.
新政策旨在减少道路上的事故发生率。