The frontal bone descended in a protruding curve over the nose, and projected solemnly over the eyes, which burned with a shrewd, inquiring gaze. 突出的前额骨到鼻子上方凹下来,严肃地高耸在两只眼睛之上,眼睛里透露着狡猾的,疑问的眼光。
These distances, in turn, govern the size of the projected image. 另外,焦距也会掌控投影的大小。