名词
中文翻译：感染者
同义词：
['contagious person', 'infectious disease patient']
例句：
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1.The infected person was isolated from the restof the group.
感染者被隔离在小组之外。
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2. Doctors are trained to identifyand treat contagious diseases.
医生受过训练，能够识别和治疗传染病。
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3. Theinfected person recovered after several weeks of treatment.
经过几周的治疗，感染者康复了。