At first, the magpies all engage in the same social behaviors that other animals do—looking behind the mirror, etc.

起初，喜鹊和其他动物一样，也会做出一些社会行为——比如照镜子等等。

youdao

In this manner a complete image is formed behind the mirror.

按这种方式形成一个位于镜后的完整的映像。

youdao

A similar scheme was used in the bedroom, but there the artistic installation screen is hidden behind the mirror.

卧室也采用类似的设计方案，但是艺术装置屏藏在镜子后面。

youdao

But he could see, out of the corner of his eye, his horrid reflection in the mirror behind the bar.

NEWYORKER: Another Manhattan

Miri will be fixed inside a cage-like structure called the Integrated Science Instrument Module and positioned just behind the big mirror.

BBC: Science & Environment

All that the elephant could possibly see was four legs behind two layers of bars (since the mirror doubled them).

WSJ: The Brains of the Animal Kingdom