Just as in cameras today-and in fact in our eyeballs-this revealed a reverse image on the opposite wall.

就像今天的相机一样——事实上也是在我们眼球中那样——这会在对面的墙上形成倒立的影像。

youdao

My own advice: do a reverse image search on the photos they send you.

FORBES: Connect

For all the shortcomings and failures of the old days of Wall Street regulation, what we have now is merely a reverse image replete with its own grievous shortcomings and failures.

FORBES: Break Up the Securities and Exchange Commission

Reverse-image TVs that let you watch your favorite show in the bathroom mirror while lounging in the tub and flipping channels via a waterproof, floating remote.

WSJ: Jeffery Deaver on Bathrooms Around the World | Traveler's Tale