MAC Mac 截取螢幕快捷鍵 | How to take a screenshot on Mac Posted by JA Anything on 2018-02-22 Shift-Command (⌘)-3 ：全螢幕 Shift-Command-4 ：十字線可拖曳範圍 Shift-Command-4 + Space bar空白鍵(指標會變為相機) ：單一視窗 來源：apple support