名词
中文翻译：Unknown
同义词：
['chronic disease', 'chronic infection syndrome', 'chronicinfection syndrome']
例句：
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1.Chronic infection can lead to serioushealth problems if left untreated.
如果不治疗，慢性感染可能导致严重的健康问题。
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2. Thepatient was diagnosed with a chronic infection andrequired treatment.
患者被诊断出患有慢性感染并需要治疗。
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3. Researchers are studyingthe causes of chronic infections in order todevelop better treatments.
研究人员正在研究慢性感染的原因，以便开发更好的治疗方法。