"听说微软最近的必应搜索引擎有了新的改进。"
现在，微软的必应搜索引擎也将其机票搜索服务置顶显示。[{'character': '现', 'pinyin': 'xian4', 'highest pitch': 9.58, 'lowest pitch': 7.69, 'duration': 0.26, 'prosody hierarchy': 'null'}, {'character': '在', 'pinyin': 'zai4', 'highest pitch': 8.87, 'lowest pitch': 7.02, 'duration': 0.28, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.15}, {'character': '微', 'pinyin': 'uei1', 'highest pitch': 10.32, 'lowest pitch': 9.42, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '软', 'pinyin': 'ruan3', 'highest pitch': 9.84, 'lowest pitch': 5.78, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '的', 'pinyin': 'de5', 'highest pitch': 7.16, 'lowest pitch': 5.78, 'duration': 0.2, 'prosody hierarchy': '#2'}, {'character': '必', 'pinyin': 'bi4', 'highest pitch': 10.05, 'lowest pitch': 9.06, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '应', 'pinyin': 'ing4', 'highest pitch': 9.06, 'lowest pitch': 8.37, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '搜', 'pinyin': 'sou1', 'highest pitch': 10.24, 'lowest pitch': 9.88, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '索', 'pinyin': 'suo2', 'highest pitch': 9.92, 'lowest pitch': 9.08, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '引', 'pinyin': 'in3', 'highest pitch': 9.75, 'lowest pitch': 4.72, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '擎', 'pinyin': 'qing2', 'highest pitch': 9.15, 'lowest pitch': 5.15, 'duration': 0.33, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.18}, {'character': '也', 'pinyin': 'ie3', 'highest pitch': 8.35, 'lowest pitch': 6.39, 'duration': 0.14, 'prosody hierarchy': 'null'}, {'character': '将', 'pinyin': 'jiang1', 'highest pitch': 8.87, 'lowest pitch': 6.39, 'duration': 0.21, 'prosody hierarchy': '#1'}, {'character': '其', 'pinyin': 'qi2', 'highest pitch': 8.48, 'lowest pitch': 7.02, 'duration': 0.24, 'prosody hierarchy': '#2'}, {'character': '机', 'pinyin': 'ji1', 'highest pitch': 10.56, 'lowest pitch': 7.49, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '票', 'pinyin': 'piao4', 'highest pitch': 10.83, 'lowest pitch': 7.79, 'duration': 0.23, 'prosody hierarchy': '#1'}, {'character': '搜', 'pinyin': 'sou1', 'highest pitch': 10.24, 'lowest pitch': 7.97, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '索', 'pinyin': 'suo3', 'highest pitch': 7.61, 'lowest pitch': 5.91, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '服', 'pinyin': 'fu2', 'highest pitch': 7.73, 'lowest pitch': 5.91, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '务', 'pinyin': 'u4', 'highest pitch': 8.26, 'lowest pitch': 6.62, 'duration': 0.25, 'prosody hierarchy': '#2'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.05}, {'character': '置', 'pinyin': 'zhiii4', 'highest pitch': 11.07, 'lowest pitch': 10.19, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '顶', 'pinyin': 'ding2', 'highest pitch': 8.78, 'lowest pitch': 6.59, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '显', 'pinyin': 'xian3', 'highest pitch': 8.78, 'lowest pitch': 4.84, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '示', 'pinyin': 'shiii4', 'highest pitch': 8.21, 'lowest pitch': 6.07, 'duration': 0.28, 'prosody hierarchy': '#4'}]