A Slider allows you to pick a value in a (possibly large) integer range using a scroll bar-like approach.

Slider允许使用类似滚动条的方法在(可能很大的)整数范围内挑选一个值。

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Multi-touch is essential in this model, users will expect to pick up an item with one finger and scroll the screen with another.

在这套框架下多点触摸变得很基本，用户可以用一根手指摁住物体，同时另一根手指滚动屏幕。

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This makes it easy to pick out elements that are in the task context when you scroll through a long list of elements.

这便于您在查看一长串的元素时快速挑选任务上下文中的元素。

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Over time, the things you like will accumulate and you can scroll through the list and pick posts to reblog which in turn will be reblogged by other users and generate a number of notes (visible with each post) that show exactly how many people either liked or reblogged the piece.

FORBES: Tumblr 101: Join The Reblogging Group