upFocusCycle() moves the focus up one focus traversal cycle from the current focus owner.

upFocusCycle() 把焦点从当前的焦点所有者向上移动一个焦点遍历循环。

It can take a component as its argument, thus moving the focus up one traversal cycle to the component's traversal cycle.

它可以把一个组件作为它的参数，从而把焦点向上移动一个遍历循环到该组件的遍历循环。

Wallpaper always emphasizes high ceilings, and hanging large pieces of art from the edge of the ceiling will again bring the focus up.

墙纸可以使天花板显得更高，在天花板边缘挂一巨幅艺术品，可以再一次将焦点上移。