Scott and Mark are ideal test subjects.

斯科特和马克是理想的研究对象。

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Radiation levels in Scott and Mark have already been tested.

斯科特和马克身上的辐射强度已经经过了检测。

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Radiation levels in Scott and Mark have already been tested.

斯科特和马克身上的辐射强度已经经过了检测。

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