Since there are four reflections, the exiting image will be right-handed . 因为共有四次反射,出射的像将是右手坐标系。
2.
The left-handed person today is still inconvenienced, but he is no longer forced to conform to the right-handed world . 今天,左撇子们仍感不便,但他们不再被迫顺应惯用右手的那些人的办法了。