This way, I implicitly defined the outside of the cube as the front face and the inside as the back face.

通过这样的方式，也就隐式地将立方体的外部定义为正面，而将内部作为背面。

youdao

A sheet of absorbent layer can be also additionally arranged at the longitudinal end of the absorbent wool core layer and an elastic waistline can be arranged on the front face or the back face.

还可在在吸水棉芯层的纵向端加装一片吸水层，并可在正面或背面加装弹性腰围。

youdao

They would always push their luck, and after an armed confrontation they'd back down, losing more and more face in front of the locals.

NPR: Sergeant Notes Odd Rituals of War in Afghanistan

My solution was to place it between the two front seats and have it stand on end, where it would face the back.

NPR: The Mix Tape: Art and Artifact

The scientists found that parts of the spine thought to face the front of the animal, in fact faced the back - and vice versa.

BBC: Science & Environment