名词
中文翻译：无效的菌株
同义词：
['inefficient strain', 'ineffective agent例句：1. The new drug has been shown to be ineffective against certain types of cancer.（新药已被证明对某些类型的癌症无效。）2. The research team found that the strain of bacteria had a high rate of inactivation during processing.（研究小组发现，这种细菌的菌株在加工过程中有很高的失活率。）']
例句：
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1. The new drug has been shown to be ineffective against certain types of cancer.
新药已被证明对某些类型的癌症无效。
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2. The research team found that the strain of bacteria had a high rate of inactivation during processing.
研究小组发现，这种细菌的菌株在加工过程中有很高的失活率。
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3. The scientists were surprised by the results, as they had expected the strain to be more effective.
科学家们对结果感到惊讶，因为他们原本预期这个菌株会更有效。