形容词
中文翻译：Unknown
同义词：
['infectious', 'contagious', 'communicable']
例句：
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1. The disease is contagious and needs to be isolated.
这种疾病具有传染性，需要隔离。
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2. The virus is contagious and can spread quickly.
这种病毒具有传染性，传播速度很快。
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3. The bacteria is contagious and can cause infections.
这种细菌具有传染性，可以引起感染。