要是能弄清这一点，将会打开一片医学新领域。

Knowing that would open up a new field of medicine.

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法国医学工作者日前宣布，他们已于近日对一名面部被狗严重咬伤的妇女实施了世界首例异体局部面部移植手术，这意味着他们正在向一个风险重重的医学新领域逐步迈进。

Doctors in France said they had performed the world's first partial face transplant, forging into a risky medical frontier with their operation on a woman disfigured by a dog bite.

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干细胞、 纳米技术、生物工程和医疗克隆已经应用于抗衰老医学的相关新领域。

Stem cells, nanotechnology, genetic engineering and therapeutic cloning are being used in the relatively new field of anti-aging medicine.

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