名词
中文翻译：空心的背部
同义词：
['empty back', 'hollow spine例句：1. The old man sat in the chair', 'his hollow back facing the wall.（老人坐在椅子上，背对着墙。）']
例句：
-
1. The old man sat in the chair, his hollow back facing the wall.
老人坐在椅子上，背对着墙。
-
2. She leaned her head against the wall, feeling the hollow back of the chair.
她靠在墙上，感觉到椅子的空背部。
-
3. He slumped down, his hollow back pressed against the cold floor.
他颓然坐下，背抵着冰冷的地板。