名词
中文翻译：链球菌素
同义词：
['streptomycin', 'streptolysin C']
例句：
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1.The antibiotic streptothricin is effective against many types of bacteria.
链球菌素对许多类型的细菌有效。
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2. Streptothricin was the first antibiotic to be synthesized in the laboratory.
链球菌素是第一个在实验室合成的抗生素。
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3.Streptothricin has been used to treat bacterial infections for over 50 years.
链球菌素已经用于治疗细菌感染超过50年了。