名词
中文翻译：Unknown
同义词：
['primitive strain', 'original type']
例句：
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1.The research team isolated the original strain of the virus that causes the disease.
研究小组分离出导致该疾病的病毒的原始种群。
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2. The original strain of this plant is rare and valuable.
这种植物的原始种群非常罕见且有价值。
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3.Scientists are working to preserve the original strain of the virus that causes the disease.
科学家们正在努力保护导致该疾病的病毒的原始种群。