But the skewer was now so close to the vertebral artery that it was bending it.

但是尖杆离椎动脉太近了，使它产生了弯曲。

Carotid arteries supply the front of the brain, and vertebral arteries supply the back.

颈动脉供应大脑前部，椎动脉供应大脑后部。

Dr. Ebersole watched the tip of the skewer safely pass the vertebral artery. " It's sliding pretty easy now, " said Dr. Peterson.

埃伯索尔看着杆子的尖端安全地通过了椎动脉处。皮特森医生说，“现在移动它非常轻松”。