I姿势是一个长长的直线伸展，从一只手的指端到另一只手的指端。

The gesture for I is a long straight stretch, from the tips of one hand to the other.

youdao

不管电脑影像何等真实、形象，它们依然仅仅是影像而已，不是我们真正看到的、甚或还会被许可用指端触摸一下的历史文物和艺术作品。

No matter how real and vivid computer images are, they are only images, not the historical objects and works of art that we see in real or even might be allowed to touch with our fingertips.

youdao

指端的绝对完美。

Absolute perfection at your fingertips.

youdao

There are processes that go from my nervous system, from my brain and spinal cord out to the tips of my fingers that allow me to move muscles there, or down to your toes.

神经系统中的有些突起可以,从大脑和脊髓一直延伸到,手指指端,以使我这里的肌肉能够运动,神经甚至会一直延伸到你的脚趾

耶鲁公开课 - 生物医学工程探索课程节选