夏天真是个炎热的季节。
兰州黄河边上趸船较多，夏天多有市民在此休闲娱乐。[{'character': '兰', 'pinyin': 'lan2', 'highest pitch': 9.14, 'lowest pitch': 7.56, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '州', 'pinyin': 'zhou1', 'highest pitch': 10.91, 'lowest pitch': 9.14, 'duration': 0.22, 'prosody hierarchy': '#2'}, {'character': '黄', 'pinyin': 'huang2', 'highest pitch': 10.54, 'lowest pitch': 7.82, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '河', 'pinyin': 'he2', 'highest pitch': 8.48, 'lowest pitch': 7.76, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '边', 'pinyin': 'bian1', 'highest pitch': 10.03, 'lowest pitch': 7.76, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '上', 'pinyin': 'shang4', 'highest pitch': 10.31, 'lowest pitch': 7.23, 'duration': 0.29, 'prosody hierarchy': '#2'}, {'character': '趸', 'pinyin': 'duen3', 'highest pitch': 8.1, 'lowest pitch': 4.47, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '船', 'pinyin': 'chuan2', 'highest pitch': 6.91, 'lowest pitch': 5.04, 'duration': 0.22, 'prosody hierarchy': '#1'}, {'character': '较', 'pinyin': 'jiao4', 'highest pitch': 9.37, 'lowest pitch': 6.69, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '多', 'pinyin': 'duo1', 'highest pitch': 10.03, 'lowest pitch': 9.22, 'duration': 0.26, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.29}, {'character': '夏', 'pinyin': 'xia4', 'highest pitch': 11.11, 'lowest pitch': 9.52, 'duration': 0.27, 'prosody hierarchy': 'null'}, {'character': '天', 'pinyin': 'tian1', 'highest pitch': 9.83, 'lowest pitch': 9.38, 'duration': 0.29, 'prosody hierarchy': '#2'}, {'character': '多', 'pinyin': 'duo1', 'highest pitch': 10.03, 'lowest pitch': 9.13, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '有', 'pinyin': 'iou3', 'highest pitch': 9.13, 'lowest pitch': 6.13, 'duration': 0.14, 'prosody hierarchy': '#1'}, {'character': '市', 'pinyin': 'shiii4', 'highest pitch': 8.02, 'lowest pitch': 7.09, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '民', 'pinyin': 'min2', 'highest pitch': 7.09, 'lowest pitch': 6.1, 'duration': 0.25, 'prosody hierarchy': '#1'}, {'character': '在', 'pinyin': 'zai4', 'highest pitch': 8.73, 'lowest pitch': 6.52, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '此', 'pinyin': 'cii3', 'highest pitch': 6.54, 'lowest pitch': 3.8, 'duration': 0.22, 'prosody hierarchy': '#1'}, {'character': '休', 'pinyin': 'xiou1', 'highest pitch': 9.26, 'lowest pitch': 8.49, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '闲', 'pinyin': 'xian2', 'highest pitch': 8.99, 'lowest pitch': 7.8, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '娱', 'pinyin': 'v2', 'highest pitch': 8.08, 'lowest pitch': 5.54, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '乐', 'pinyin': 'le4', 'highest pitch': 9.52, 'lowest pitch': 6.01, 'duration': 0.32, 'prosody hierarchy': '#4'}]