The dark walls seemed swollen with the disease of old buildings in new york . 阴暗的四壁看起来浮肿，带着纽约老房子的宿疾。
2.
My heart pounded madly ; i was really frightened . i also was worried about my parents , who lived on the fifth floor of an old building . one of them had difficulty walking , and the other was suffering from a chronic disease 此时，对面的巨石不断滚落，制造静谧夜里惊心动魄的音效，心脏狂跳不已，既惊又怕，又惦记老家中五楼的父亲及母亲，一个行动不便，一个宿疾缠身，他们可安好？
