名词
中文翻译：流行率
同义词：
['prevalence', 'prevalence例句：1. The prevalence ofobesity in children has been increasing rapidly.（儿童肥胖的流行率正在迅速增加。）']
例句：
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1. The prevalence ofobesity in children has been increasing rapidly.
儿童肥胖的流行率正在迅速增加。
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2. Theprevalence of this disease is relatively low comparedto other diseases.
这种疾病的流行率与其他疾病相比相对较低。
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3. The prevalence of this diseaseis expected to increase in the future.
预计这种病的流行率在未来将增加。