1·Letters are no longer fixed in black ink on paper, but flitter on a glass surface in a rainbow of colors as fast as our eyes can blink.
文字已经不限于用笔墨书写的固定字块，而可以成为在玻璃屏幕上快速闪烁、多姿多彩的活动文字。
2·We use our eyelids to blink so as to clean our eyes.
我们利用眼睑眨眼来清洁眼睛。