The former task requires remembering only the last rectangle drawn (and the color), while the latter requires remembering them all.
前一个任务只需记住最后绘制的矩形(和颜色)，而后者要求全都记住。
2
While its six-inch screen is the same size as the former model and still cannot render color, it will now display16 shades of gray, versus 4 in the original.
它拥有与前一代一样的6英寸显示屏，也仍然不支持彩色渲染，它现在采用的是16色灰和4原色。
3
Its former name, Haemanthus translates to blood flower, referring to the color.