I like to put a back cushion on the sofa.

我喜欢在沙发上放一个靠枕。

The color of this back cushion matches the sofa well.

这个靠枕的颜色和沙发很搭配。

This back cushion is very soft and comfortable to lean on.

这个靠枕非常柔软，靠着很舒服。

She bought a new back cushion to decorate the living room.

她买了一个新的靠枕来装饰客厅。

You can put the back cushion on the chair for more comfort.

你可以把靠枕放在椅子上，这样会更舒服。

Foam rubber seat & back cushion

乳胶海绵座垫和靠背垫

Original is also fabric, but the back cushion is full leather.

我:原版的下面也是布, 但是靠垫是皮.

The sword back cushion one or two layers of transparent adhesive tape to buffer the die cutting production.

在刀不背上垫一层或两层透明胶带，以缓冲模切爆发的波动。