指令键的英文

例句与用法

1. Just as in a supermarket , where the person at the check - out28 no longer needs to engage in29 any mental arithmetic30 , so a composition student31 may not really know how you form a dominant seventh chord32 if all he has to do is hit a command key
   就像超市的收银员不再需要任何心算一样，学作曲的学生可以不必真正懂得如何构成属七弦，因为他只需要点击一下指令键。