When you put a small seedling in, the roots are not deep enough to go into that water reservoir, so we need to bring the water up to the plant."

VOA: special.2011.06.14

They go through these wires and into these electrodes that are deep in your brain, and they stimulate tissue inside the brain.

电信号通过这些线路,传递至植入于大脑的电极中,由此刺激大脑中的组织

耶鲁公开课 - 生物医学工程探索课程节选

These are very deep lesions that go not just on the surface of your skin like a blister would, but down into the dermis or deeper layers of the skins, as well.

这些伤非常深,它们不仅像水泡那样存在于皮肤表面,还深入到真皮层或者皮下更深的地方

耶鲁公开课 - 生物医学工程探索课程节选