卡米科尔在彼得诺斯的大鸡巴上

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Mr. Robert, I'm having trouble understanding something.

Okay, let's see what the problem is.

I can't understand anything. This is like Chinese to me.

Okay, what the hell is that?

Oh, the transcription factors recognized consensus sequences and promoters.

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Bigtitfucker51 8 年 前
Nice load. Beautiful girl.
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satanseviltwin666
Gorgeous.
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