en to unknown language translation catalogue (6 entries)

[ctx: FullScreenToolBar]
en: FitWidth
target: 适屏

[ctx: FullScreenToolBar]
en: NextPage
target: 下一页

[ctx: FullScreenToolBar]
en: PrevPage
target: 上一页

[ctx: FullScreenToolBar]
en: QuitFullScreen
target: 退出全屏

[ctx: FullScreenToolBar]
en: ZoomIn
target: 放大

[ctx: FullScreenToolBar]
en: ZoomOut
target: 缩小
