你是怎么受伤的？
他背上留下多处淤痕和割伤。[{'character': '他', 'pinyin': 'ta1', 'highest pitch': 10.83, 'lowest pitch': 10.69, 'duration': 0.21, 'prosody hierarchy': '#1'}, {'character': '背', 'pinyin': 'bei4', 'highest pitch': 11.71, 'lowest pitch': 9.01, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '上', 'pinyin': 'shang4', 'highest pitch': 9.03, 'lowest pitch': 6.8, 'duration': 0.24, 'prosody hierarchy': '#2'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.04}, {'character': '留', 'pinyin': 'liou2', 'highest pitch': 7.46, 'lowest pitch': 6.67, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '下', 'pinyin': 'xia4', 'highest pitch': 8.74, 'lowest pitch': 6.93, 'duration': 0.22, 'prosody hierarchy': '#1'}, {'character': '多', 'pinyin': 'duo1', 'highest pitch': 9.07, 'lowest pitch': 8.77, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '处', 'pinyin': 'chu4', 'highest pitch': 8.14, 'lowest pitch': 6.86, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '淤', 'pinyin': 'v1', 'highest pitch': 9.61, 'lowest pitch': 6.95, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '痕', 'pinyin': 'hen2', 'highest pitch': 8.92, 'lowest pitch': 5.99, 'duration': 0.26, 'prosody hierarchy': '#2'}, {'character': '和', 'pinyin': 'he2', 'highest pitch': 7.76, 'lowest pitch': 6.73, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '割', 'pinyin': 'ge1', 'highest pitch': 9.43, 'lowest pitch': 8.99, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '伤', 'pinyin': 'shang1', 'highest pitch': 10.27, 'lowest pitch': 9.26, 'duration': 0.33, 'prosody hierarchy': '#4'}]