我们需要一支能够有效开路的队伍。
侦察参谋董毅点出叶刚和两名官兵，组成先遣组为官兵开路。[{'character': '侦', 'pinyin': 'zhen1', 'highest pitch': 11.2, 'lowest pitch': 10.71, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '察', 'pinyin': 'cha2', 'highest pitch': 10.84, 'lowest pitch': 8.02, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '参', 'pinyin': 'can1', 'highest pitch': 9.56, 'lowest pitch': 8.58, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '谋', 'pinyin': 'mou2', 'highest pitch': 8.84, 'lowest pitch': 6.86, 'duration': 0.26, 'prosody hierarchy': '#2'}, {'character': '董', 'pinyin': 'dong3', 'highest pitch': 8.2, 'lowest pitch': 4.59, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '毅', 'pinyin': 'i4', 'highest pitch': 10.3, 'lowest pitch': 5.58, 'duration': 0.24, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.07}, {'character': '点', 'pinyin': 'dian3', 'highest pitch': 7.83, 'lowest pitch': 4.84, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '出', 'pinyin': 'chu1', 'highest pitch': 7.97, 'lowest pitch': 4.84, 'duration': 0.22, 'prosody hierarchy': '#1'}, {'character': '叶', 'pinyin': 'ie4', 'highest pitch': 9.16, 'lowest pitch': 6.92, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '刚', 'pinyin': 'gang1', 'highest pitch': 9.32, 'lowest pitch': 8.42, 'duration': 0.25, 'prosody hierarchy': '#2'}, {'character': '和', 'pinyin': 'he2', 'highest pitch': 9.21, 'lowest pitch': 6.72, 'duration': 0.15, 'prosody hierarchy': '#1'}, {'character': '两', 'pinyin': 'liang3', 'highest pitch': 7.14, 'lowest pitch': 4.56, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '名', 'pinyin': 'ming2', 'highest pitch': 6.34, 'lowest pitch': 4.59, 'duration': 0.15, 'prosody hierarchy': '#1'}, {'character': '官', 'pinyin': 'guan1', 'highest pitch': 9.24, 'lowest pitch': 6.34, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '兵', 'pinyin': 'bing1', 'highest pitch': 9.74, 'lowest pitch': 9.24, 'duration': 0.23, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.25}, {'character': '组', 'pinyin': 'zu3', 'highest pitch': 8.21, 'lowest pitch': 6.57, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '成', 'pinyin': 'cheng2', 'highest pitch': 8.42, 'lowest pitch': 6.47, 'duration': 0.31, 'prosody hierarchy': '#2'}, {'character': '先', 'pinyin': 'xian1', 'highest pitch': 11.27, 'lowest pitch': 8.42, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '遣', 'pinyin': 'qian2', 'highest pitch': 11.27, 'lowest pitch': 6.9, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '组', 'pinyin': 'zu3', 'highest pitch': 8.21, 'lowest pitch': 2.62, 'duration': 0.22, 'prosody hierarchy': '#2'}, {'character': '为', 'pinyin': 'uei4', 'highest pitch': 7.9, 'lowest pitch': 2.62, 'duration': 0.22, 'prosody hierarchy': '#1'}, {'character': '官', 'pinyin': 'guan1', 'highest pitch': 9.24, 'lowest pitch': 8.1, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '兵', 'pinyin': 'bing1', 'highest pitch': 9.74, 'lowest pitch': 8.58, 'duration': 0.13, 'prosody hierarchy': '#1'}, {'character': '开', 'pinyin': 'kai1', 'highest pitch': 10.08, 'lowest pitch': 9.23, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '路', 'pinyin': 'lu4', 'highest pitch': 12.16, 'lowest pitch': 8.89, 'duration': 0.23, 'prosody hierarchy': '#4'}]