他正坐在床边一把有靠背无扶手的椅子上阅读。

He was sitting on an upright chair beside his bed, reading.

《柯林斯英汉双解大词典》

这条无靠背凳子有一个破了的、红色的塑料坐部。

The stool had a torn, red plastic seat.

《柯林斯英汉双解大词典》

我重新摆放一部分无靠背且易移动的沙发到桌子前，其高度挺低但和桌子高度匹配。

What is the way out? I relocated a part of sofa, which is unbacked and flexible to be moved, before the desk, the height of which is quite low but matches the height of desk.

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