When he talks about seeing the sky rolled up like a scroll he means that quite literally.

当他写道，看见天像书卷一样卷起来时,不要以为他用的是比喻手法。

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When you want to finish a letter or a book you roll up the scroll and then you put a wax seal at the end of the roll and that seals the book.

当你看完一封信或一本书时，就将书卷卷起，然后在末端用蜡封印，将书封起来。

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Scroll up or down on any screen by placing two fingers anywhere on the trackpad and motioning up or down.

将两个手指放在触摸板上上下移动可实现在任何屏幕上的向上或向下滚动。

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- Then you declare a float called f and then assign it -- -- let me scroll up for the folks in front -- that give return value of GetFloat.

然后你声明一个float类型f，再赋值-,让我向上为你们回滚到-,给出了GetFloat的返回值。

哈佛公开课 - 计算机科学课程节选

All three PRUMIE models come with the increasingly-standard multi-direction scroll wheel -- meaning that it scrolls both up and down as well as side-to-side -- and in order to combat the dreaded issue of mis-scrolling, the mice come with a "tilt guard" to prevent accidental left and right clicks.

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The bottom-left 4 x 4 pads represent drum sounds (touch the slider to scroll up and down through even more sounds), while the bottom-right quarter of the grid serves as a clip-length control (press and hold the first pad, tap the fourth for a four-bar loop, etc.).

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Next up on the list of hover-friendly additions, you can now use your S Pen to scroll up and down on a page or list.

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