平面镜中所看到的物体与实际物体是左右颠倒的。
An object as viewed in a plain mirror is perverted from its actual appearance.
奥巴马的照片显然被一位拙劣的版面设计者弄反了，美国国旗胸章错误地出现在奥巴马西装的右边衣领上，还左右颠倒了。
My Blockberry 9500,' reads the tagline below the president's photo (which is inverted, apparently by a sloppy layout designer, with the American-flag pin backwards on the wrong lapel).
大概过了半个小时左右我才意识到，问题的关键也许在于把Thanksgiving这个字前后颠倒一下——那样一来至少文字好懂了：givingthanks。
It must have taken me a half hour to sense that maybe some key to an answer could result from reversing the word "Thanksgiving" — at least that suggested a verbal direction, "giving thanks."
为什么镜子中的影像似乎颠倒了左右，却没有颠倒上下？
Why is it that the mirror appears to reverse left and right, but not up and down?
为什么镜子中的影像似乎颠倒了左右，却没有颠倒上下？
Why is it that the mirror appears to reverse left and right, but not up and down?
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