unknown samples 未知试样
The scientist confirmed the snake was a previously unknown species after conducting a genetic analysis of tissue samples.
在对组织样本进行基因分析后，科学家确认这条蛇是一个此前不为人知的物种。
The team was led by Dr. Graham Reynolds, from Harvard University, the scientist confirmed the snake was a previously unknown species after conducting a genetic analysis of tissue samples.
该研究小组由哈佛大学的格雷厄姆·雷诺兹博士带队，这位科学家在对组织样本进行基因分析后，确认这条蛇是一个此前不为人知的种类。
The team was led by Dr. Graham Reynolds, from Harvard University, the scientist confirmed the snake was a previously unknown species after conducting a genetic analysis of tissue samples.
该研究小组由哈佛大学的格雷厄姆·雷诺兹博士带队，这位科学家在对组织样本进行基因分析后，确认这条蛇是一个此前不为人知的物种。
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