名词
中文翻译：许多细菌
同义词：
['Many bacteria', 'numerous bacteria']
例句：
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1. Many bacteria can cause infectionsin humans.
许多细菌可以引起人类的感染。
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2.The hospital treated many patients with antibiotics.
医院用抗生素治疗了许多病人。
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3. Many bacteriaare harmful to human health.
许多细菌对人类健康有害。