translation.en: And this bone is peppered, as you can see, with the light shining through the skull with cavities, the sinuses, which warm and moisten the air we breathe.
translation.zh: 这块骨头 布满了 正如你看到的 穿透过头盖骨的光线 还有空腔, 鼻窦, 使我们吸入的空气变的温暖和湿润。