Haveyouwonderedwhyyouhavetwoeyesandwhytheyaresetcloseto...
問題詳情：Haveyouwonderedwhyyouhavetwoeyesandwhytheyaresetclosetogetheronthefrontofyourface？Thereasonsaresimpleandimportant.Youreyesareliketwosmallcameras.Acameracatchesanimage(影像)ofanobjectandrecordsi...