终于找到了一个合适的空投点。
空投成功了，被困的五千多群众有救了。[{'character': '空', 'pinyin': 'kong1', 'highest pitch': 10.42, 'lowest pitch': 9.9, 'duration': 0.26, 'prosody hierarchy': 'null'}, {'character': '投', 'pinyin': 'tou2', 'highest pitch': 9.52, 'lowest pitch': 7.84, 'duration': 0.23, 'prosody hierarchy': '#1'}, {'character': '成', 'pinyin': 'cheng2', 'highest pitch': 8.83, 'lowest pitch': 7.33, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '功', 'pinyin': 'gong1', 'highest pitch': 10.09, 'lowest pitch': 8.98, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '了', 'pinyin': 'le5', 'highest pitch': 10.09, 'lowest pitch': 6.39, 'duration': 0.2, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.24}, {'character': '被', 'pinyin': 'bei4', 'highest pitch': 10.84, 'lowest pitch': 9.87, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '困', 'pinyin': 'kuen4', 'highest pitch': 10.58, 'lowest pitch': 8.63, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '的', 'pinyin': 'de5', 'highest pitch': 8.8, 'lowest pitch': 7.88, 'duration': 0.11, 'prosody hierarchy': '#1'}, {'character': '五', 'pinyin': 'u3', 'highest pitch': 7.88, 'lowest pitch': 5.02, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '千', 'pinyin': 'qian1', 'highest pitch': 9.25, 'lowest pitch': 8.27, 'duration': 0.21, 'prosody hierarchy': '#1'}, {'character': '多', 'pinyin': 'duo1', 'highest pitch': 9.95, 'lowest pitch': 9.25, 'duration': 0.14, 'prosody hierarchy': 'null'}, {'character': '群', 'pinyin': 'qvn2', 'highest pitch': 9.47, 'lowest pitch': 5.84, 'duration': 0.25, 'prosody hierarchy': 'null'}, {'character': '众', 'pinyin': 'zhong4', 'highest pitch': 8.62, 'lowest pitch': 6.44, 'duration': 0.17, 'prosody hierarchy': '#2'}, {'character': '有', 'pinyin': 'iou3', 'highest pitch': 7.12, 'lowest pitch': 3.37, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '救', 'pinyin': 'jiou4', 'highest pitch': 10.08, 'lowest pitch': 8.31, 'duration': 0.25, 'prosody hierarchy': 'null'}, {'character': '了', 'pinyin': 'le5', 'highest pitch': 10.09, 'lowest pitch': 0.82, 'duration': 0.25, 'prosody hierarchy': '#4'}]