Harry's attention was caught by something on the mantelpiece: a small, rectangular mirror propped on top of it, right beneath the portrait of the girl.

哈利的注意力被壁炉台上的一个东西吸引住了：一面长方形的小镜子支在台上，就在那个姑娘肖像的下面。

youdao

Propped up in the hallway against the walls were the 3 sq ft framed print of Christ and the 4ft by 3ft wooden framed rectangular mirror.

BBC: Betty Yates and the Reverend John Suddards

Avoiding my reflections as well as I could, for these mirrors showed only a tired man with a look of sorrow in his eyes, I chose a rectangular mirror with a cherrywood frame.

NEWYORKER: Miracle Polish

Both devices combine top-notch specs with beautiful industrial design -- pure rectangular forms with a mirror-like finish packaged in thin, light and water-resistant shells.

ENGADGET