"哇，你们俩看起来好像是双胞胎！"
牛作东比牛作涛小三岁，哥俩儿从小一块儿上学放学。[{'character': '牛', 'pinyin': 'niou2', 'highest pitch': 10.02, 'lowest pitch': 7.97, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '作', 'pinyin': 'zuo4', 'highest pitch': 10.79, 'lowest pitch': 8.21, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '东', 'pinyin': 'dong1', 'highest pitch': 10.88, 'lowest pitch': 8.21, 'duration': 0.31, 'prosody hierarchy': '#2'}, {'character': '比', 'pinyin': 'bi3', 'highest pitch': 9.93, 'lowest pitch': 6.18, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '牛', 'pinyin': 'niou2', 'highest pitch': 10.02, 'lowest pitch': 5.92, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '作', 'pinyin': 'zuo4', 'highest pitch': 10.79, 'lowest pitch': 6.87, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '涛', 'pinyin': 'tao1', 'highest pitch': 9.73, 'lowest pitch': 7.3, 'duration': 0.28, 'prosody hierarchy': '#1'}, {'character': '小', 'pinyin': 'xiao3', 'highest pitch': 9.73, 'lowest pitch': 4.86, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '三', 'pinyin': 'san1', 'highest pitch': 10.51, 'lowest pitch': 5.52, 'duration': 0.26, 'prosody hierarchy': 'null'}, {'character': '岁', 'pinyin': 'suei4', 'highest pitch': 10.68, 'lowest pitch': 6.34, 'duration': 0.28, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.35}, {'character': '哥', 'pinyin': 'ge1', 'highest pitch': 8.17, 'lowest pitch': 7.74, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '俩', 'pinyin': 'liar3', 'highest pitch': 8.0, 'lowest pitch': 5.84, 'duration': 0.3, 'prosody hierarchy': 'null'}, {'character': '儿', 'pinyin': 'cong2', 'highest pitch': 9.23, 'lowest pitch': 7.77, 'duration': 0.23, 'prosody hierarchy': '#2'}, {'character': '从', 'pinyin': 'xiao3', 'highest pitch': 9.73, 'lowest pitch': 6.13, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '小', 'pinyin': 'i2', 'highest pitch': 7.3, 'lowest pitch': 6.33, 'duration': 0.13, 'prosody hierarchy': '#1'}, {'character': '一', 'pinyin': 'kuair4', 'highest pitch': 14.37, 'lowest pitch': 7.58, 'duration': 0.3, 'prosody hierarchy': 'null'}, {'character': '块', 'pinyin': 'shang4', 'highest pitch': 10.72, 'lowest pitch': 7.95, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '儿', 'pinyin': 'xve2', 'highest pitch': 8.77, 'lowest pitch': 6.96, 'duration': 0.18, 'prosody hierarchy': '#2'}, {'character': '上', 'pinyin': 'fang4', 'highest pitch': 10.37, 'lowest pitch': 8.05, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '学', 'pinyin': 'xve2', 'highest pitch': 8.77, 'lowest pitch': 6.21, 'duration': 0.33, 'prosody hierarchy': '#1'}]